{"product_id":"20-in-1-universal-300-915mhz-smart-multi-frequency-remote-control-duplicator-roller-shutter-key-usb-rechargeable-door-opener","title":"20-in-1 Universal 300-915MHz Smart Multi-Frequency Remote Control Duplicator, Roller Shutter Key, USB-Rechargeable Door Opener","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eProduct information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDuplication and regeneration of wireless remote controls for barriers, garage doors, etc.\u003c\/p\u003e\n\u003cp\u003eProduct name: Multi-frequency 20 Channels copy remote control\u003c\/p\u003e\n\u003cp\u003eReceiving frequency: 300-915MHZ\u003c\/p\u003e\n\u003cp\u003eTransmit power: 13dBm\u003c\/p\u003e\n\u003cp\u003eOperating current: 25MA\u003c\/p\u003e\n\u003cp\u003eOperating voltage: 3.7V\u003c\/p\u003e\n\u003cp\u003eRemote control distance: 30-50m\u003c\/p\u003e\n\u003cp\u003eCharging interface: 5V TPC-C\u003c\/p\u003e\n\u003cp\u003eProduct size: 78*43.2*16.5mm\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOperations:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e1. Clear code first:\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eChoose the channel by ''+'' ''-'' buttons, press the first and second button () at the same time and wait 2 seconds.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe light should flash quickly and constantly, show a sign of ''--'', the code is cleared.\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e2. Copy the other remote:\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eChoose the channel by ''+'' ''-'' buttons, put the original remote and the 20-in-1 remote together.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003ePress the key of original remote and the key of 20-in-1 remote at the same time for 3 seconds. The Led of channel number will light up, shows the channel number, then release. Copy the other keys by the same way. Change the channel if you copy other remote.\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e3. Recovery the last code:\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eIf you forget the code for duplicator, or clear by mistake, press the third and fourth button () at the same time for 2 seconds. The light should flash quickly and constantly, show a sign of ''--'', the code is restroed.\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e4. Lock channel, or unlock channel:\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eChoose the channel, press the second and third button () at the same time for 2 seconds. The Led will blink rapidly, show a sign of '''', indicating that the channel is locked. To cancel the locking, the method is the same with locking.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S98823b0291f84b3dac96be1f9db8fec3e.jpg\"\u003e\u003c\/p\u003e","brand":"dinoinbox","offers":[{"title":"Silver","offer_id":48096680312986,"sku":"MH02694","price":19.99,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":48096680345754,"sku":"MH02694-1","price":19.99,"currency_code":"USD","in_stock":true},{"title":"Rose GOLD","offer_id":48096680378522,"sku":"MH02694-2","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/8748\/7130\/files\/ScreenShot_2026-05-21_114441_426.png?v=1779335103","url":"https:\/\/www.dinoinbox.com\/products\/20-in-1-universal-300-915mhz-smart-multi-frequency-remote-control-duplicator-roller-shutter-key-usb-rechargeable-door-opener","provider":"dinoinbox","version":"1.0","type":"link"}