{"product_id":"433mhz-4-button-universal-garage-door-remote-duplicator","title":"433MHz 4-Button Universal Garage Door Remote Duplicator","description":"\n\u003ch2\u003e433MHz Universal 4-Button Garage Door Remote Control Duplicator\u003c\/h2\u003e\n\u003cp\u003eTake control of your garage, gate, or automated entryway with this compact and easy-to-use \u003cstrong\u003e433MHz Universal Remote Control Duplicator\u003c\/strong\u003e. Supporting fixed code, learning code, and rolling code formats, this 4-channel duplicator lets you clone your existing remote in seconds — no technical expertise required. Compatible with a wide range of RF-based systems including electric doors, automated curtains, lighting switches, and more.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e433 MHz RF Transmission\u003c\/strong\u003e — Reliable wireless communication with a range of 50–100 metres in open areas\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Channel Operation\u003c\/strong\u003e — Copy and store up to 4 individual button codes from your original remote\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e — Works with fixed code, learning code, and rolling code systems for garage doors, gates, lighting, electric doors, automated curtains, and switches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Copy Process\u003c\/strong\u003e — Just hold the original and duplicator remotes close together, press the matching buttons simultaneously, and the LED confirms the code has been learned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCode Clear \u0026amp; Restore\u003c\/strong\u003e — Easily clear stored codes or restore previously saved codes using the built-in memory function\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Included\u003c\/strong\u003e — Comes with a 27A 12V battery so it's ready to use straight out of the box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo App Required\u003c\/strong\u003e — Standalone RF device; no smartphone or Wi-Fi needed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable\u003c\/strong\u003e — Slim, lightweight design fits easily on a keychain or in a pocket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e433 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless Communication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRF\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50–100 m (open area)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e27A 12V (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApp Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Uses\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGarage doors, electric gates, lighting, automated curtains, switches\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003ch4\u003eStep 1 — Clear Existing Codes\u003c\/h4\u003e\n\u003cp\u003ePress and hold the two top buttons simultaneously. Keep holding until the LED flashes briefly and then goes out. After 2 seconds, the LED will begin flashing again, confirming the codes have been cleared. To verify: press any button — if the LED flashes once and immediately turns off, the clear was successful.\u003c\/p\u003e\n\n\u003ch4\u003eStep 2 — Copy Your Remote\u003c\/h4\u003e\n\u003cp\u003eHold your original remote in your left hand and the duplicator in your right. Bring them as close together as possible. Press the corresponding button on both remotes at the same time. The LED on the duplicator will flash continuously, indicating the code from your original remote has been successfully learned. Repeat for each of the remaining 3 buttons.\u003c\/p\u003e\n\n\u003ch4\u003eStep 3 — Restore Saved Codes\u003c\/h4\u003e\n\u003cp\u003eIf codes are accidentally cleared, press and hold the two bottom buttons simultaneously. After 3 seconds, the LED will light up and then flash quickly, confirming that your previously stored codes have been restored.\u003c\/p\u003e\n\n\u003ch3\u003eYou May 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; Staircase Lamp\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-crystal-peony-float-ornament-high-end-creative-hand-woven-car-interior-fashionable-car-rearview-decoration-pendant\"\u003eCrystal Peony Float Ornament – Hand Woven Car Interior Rearview Decoration Pendant\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\"\u003ePrecision Japanese Double-Edged Hand Saw – SK5 Steel, 6-Inch Portable Mini Blade\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of remote codes does this 433MHz duplicator support?\u003c\/h4\u003e\n\u003cp\u003eA: This universal duplicator supports fixed code, learning code, and rolling code formats commonly used in 433MHz RF systems for garage doors, electric gates, automated curtains, lighting switches, and more.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the 433MHz remote duplicator come with a battery?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The duplicator includes a 27A 12V battery in the package, so it is ready to use as soon as you receive it — no additional purchases needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many remotes or channels can I store on this duplicator?\u003c\/h4\u003e\n\u003cp\u003eA: The duplicator features 4 independent channels, allowing you to copy and store up to 4 different button codes from your original remote control onto a single device.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the transmission range of this remote control duplicator?\u003c\/h4\u003e\n\u003cp\u003eA: In an open area, the 433MHz duplicator provides a reliable transmission range of approximately 50 to 100 metres, making it suitable for most standard residential garage doors and gates.\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 types of remote codes does this 433MHz duplicator support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This universal duplicator supports fixed code, learning code, and rolling code formats commonly used in 433MHz RF systems for garage doors, electric gates, automated curtains, lighting switches, and more.\"}}, {\"@type\": \"Question\", \"name\": \"Does the 433MHz remote duplicator come with a battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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