{"product_id":"433mhz-wireless-relay-receiver-remote-control-switch-dc-3v-24v-mini","title":"433MHz RF Wireless Relay Receiver \u0026 Remote Switch DC 3.6V–24V","description":"\n\u003ch2\u003e433MHz Wireless Remote Control Switch \u0026amp; Mini Relay Receiver\u003c\/h2\u003e\n\u003cp\u003eTake full command of your electronics without the hassle of running extra wires. This \u003cstrong\u003ekebidumei 433MHz RF wireless relay receiver and transmitter kit\u003c\/strong\u003e lets you remotely switch DC-powered devices — from LED strips and lamps to water pumps, electric doors, and automated curtains — at distances of up to \u003cstrong\u003e100 metres in open space\u003c\/strong\u003e. With wide voltage compatibility (DC 3.6V to 24V), ultra-low standby draw, and a super-compact 34×15mm receiver footprint, it slips neatly inside almost any device enclosure.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China. CE and FCC certified.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Works with DC 3.6V, 5V, 6V, 9V, 12V, 18V, and 24V systems — compatible with a huge range of DC motors and devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRF 433MHz Signal:\u003c\/strong\u003e Reliable ASK modulation for stable, interference-resistant wireless communication up to 100m in open areas. Extend the antenna for even greater range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Operating Modes:\u003c\/strong\u003e Choose Momentary, Toggle, or Latched mode to match your exact control needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Remote Support:\u003c\/strong\u003e Pair up to 24 remote controls to a single receiver simultaneously — great for shared-access setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Learning Code:\u003c\/strong\u003e Simple pairing process; supports 1527 learning code encoding.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Standby Power:\u003c\/strong\u003e Only 4mA draw at rest — no wasted energy sitting idle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax 10A Current:\u003c\/strong\u003e Handles a broad range of loads safely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; FCC Certified:\u003c\/strong\u003e Meets international safety and electromagnetic compatibility standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo App Required:\u003c\/strong\u003e Pure hardware control — no smartphone, Wi-Fi, or account needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRF Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e433 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 3.6V – 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASK\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMomentary \/ Toggle \/ Latched\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Remotes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 24 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReceiver Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e34 × 15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e58 × 28 × 10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Battery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCR2032 (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 100m (open space)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ekebidumei\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eOperating Modes Explained\u003c\/h3\u003e\n\u003ch4\u003eMode 1 – Momentary\u003c\/h4\u003e\n\u003cp\u003ePress \u0026amp; hold a button → device ON. Release → device OFF. Activate by pressing the learn button \u003cstrong\u003eonce\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch4\u003eMode 2 – Toggle\u003c\/h4\u003e\n\u003cp\u003ePress a button → device ON. Press again → device OFF. Activate by pressing the learn button \u003cstrong\u003etwice\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch4\u003eMode 3 – Latched\u003c\/h4\u003e\n\u003cp\u003ePress button A → device ON. Press button B → device OFF. Activate by pressing the learn button \u003cstrong\u003ethree times\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eQuick Setup Guide\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReset:\u003c\/strong\u003e Press the learning button 8 times to clear all stored codes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelect Mode:\u003c\/strong\u003e Press the learning button 1×, 2×, or 3× to enter Momentary, Toggle, or Latched mode respectively. The LED will illuminate to confirm learning state.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePair Remote:\u003c\/strong\u003e Press the desired button on your remote control. The receiver LED will flash to confirm successful pairing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWire Up:\u003c\/strong\u003e Connect receiver to your DC power source and load. That's it — start controlling!\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLED strip \u0026amp; lamp remote switching\u003c\/li\u003e\n  \u003cli\u003eElectric door and gate control\u003c\/li\u003e\n  \u003cli\u003eAutomated curtains and blinds\u003c\/li\u003e\n  \u003cli\u003eWater pump remote switching\u003c\/li\u003e\n  \u003cli\u003eWater heater control\u003c\/li\u003e\n  \u003cli\u003eDC motor forward \/ reverse \/ stop control\u003c\/li\u003e\n  \u003cli\u003eCustom DIY electronics and maker projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Mini RF 433MHz Relay Receiver module\u003c\/li\u003e\n  \u003cli\u003e1× 433MHz RF Remote Control transmitter (CR2032 battery included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou Might Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10cm-wireless-led-motion-sensor-night-light-type-c-rechargeable-cabinet-wardrobe-lamp-for-staircase-backlight-kitchen-lighting\"\u003e10CM Wireless LED Motion Sensor Night Light – Type-C Rechargeable Cabinet \u0026amp; Wardrobe Lamp\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel, Portable Mini\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What DC voltages is the 433MHz relay receiver compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The receiver operates across a wide range — DC 3.6V, 5V, 6V, 9V, 12V, 18V, and 24V — making it compatible with most common DC motors, LED systems, and electronics projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many remote controls can I pair to one receiver?\u003c\/h4\u003e\n\u003cp\u003eA: You can pair up to \u003cstrong\u003e24 remote controls\u003c\/strong\u003e to a single receiver at the same time, making it ideal for shared-access installations where multiple users need control.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between Momentary, Toggle, and Latched mode?\u003c\/h4\u003e\n\u003cp\u003eA: \u003cstrong\u003eMomentary\u003c\/strong\u003e keeps the device on only while the button is held. \u003cstrong\u003eToggle\u003c\/strong\u003e turns the device on with one press and off with the next press of the same button. \u003cstrong\u003eLatched\u003c\/strong\u003e uses two separate buttons — one to turn on and one to turn off — which is perfect for motor forward\/reverse or two-state control.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this module require an app or Wi-Fi connection?\u003c\/h4\u003e\n\u003cp\u003eA: No — this is a pure RF hardware solution. It operates entirely over the 433MHz radio frequency band with no smartphone app, Wi-Fi, Bluetooth, or internet connection required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum range of the remote control?\u003c\/h4\u003e\n\u003cp\u003eA: In open areas with no obstructions, the transmitter can reliably reach up to \u003cstrong\u003e100 metres\u003c\/strong\u003e. Extending the receiver's antenna wire can further improve range and signal stability in enclosed or obstructed environments.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What DC voltages is the 433MHz relay receiver compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The receiver operates across a wide range — DC 3.6V, 5V, 6V, 9V, 12V, 18V, and 24V — making it compatible with most common DC motors, LED systems, and electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"How many remote controls can I pair to one receiver?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"You can pair up to 24 remote controls to a single receiver at the same time, making it ideal for shared-access installations where multiple users need control.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between Momentary, Toggle, and Latched mode?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Momentary keeps the device on only while the button is held. 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