2 Channel RF Remote Controller 433 MHz Kl-K400la-2CH

New product controller 433mhz wireless rf remote control switch KL-K400LA-2chOverview KL-K400LA-4ch  is our currently developed super far distance bidirectional remote control series. According to number of channels, KL-K400LA-4ch  has 6 different channels 1,2,4,6,8,12.  The receiver module switch using spread spectrum communication technology, greatly enhancing the anti-jamming performance. U.S. imports of chips, strict testing to ensure the quality of reliability The remote control and a matching receiver module, its measured distance can reach more than 5000m. Mostly use light,signal, irrigation and door opener and others If you select bidirectional mode, KL5000-N (N=1.2.4.6.8.12) can match our  instantly receive feedback signal from the receiving device.   Specification Working VoltageDC9-12VReceive Current16mAStandby Current7AWorking Frequency434MHz (can customize 868,915MHz)Encode typecustom match codeModulation ModeFSK (FM)+ LORA(SPSP)Feedback IndicationBuzzerReceiving sensitivity-148dBmControl Distance6000m (open area, match with KL-K400LA)Operating temperature-10ºC~+70ºCDimension125*69*40mm (With case) UsageMatch Code: Press match code button for 3seconds, LED indicator lights, and press any buttons on remote control. When LED flashes 2times, it means finishing matching code.FBK Select: On remote control module, Short-circuit S3, receive FBK signal; break, not receive FBK signal. When bidirectional remote control receives the signal, the buzzer will send the sound 'dip-'If selecting to receive FBK signal, remote control power-on and default standby. When pressing the button, remote control will transmit signal; when up-springing the button, remote control will receive. Before entering into standby, it will be continuous for 1 second.When remote control not need to work for a long time, please shut off the power supply. /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1