QIACHIP 433Mhz Wireless Remote Control Switch DC 12V 4 CH Relay Receiver Module + RF learning code remote control Transmitter 433Mhz For Garage Door Opener 1204 KR1204+KT16

Qiachip  1527learning cord 4CH Remote control【Tansmitter/battery include】 12V 4CH Remote Control Switch【Receiver】 For the remote control(Transmitter): Model Number: KT16-4.Materials: ABS.Channel: 4 Channel.Encoding Type: Learning Code (EV1527).F Frequency: 433 MHz.Modulation System: ASK.Match Code Way: Fixed Code.Working Voltage: DC 12V.Working Current: <25mA.Working RF Frequency: 433MHZ.Transmitting Power: +13dbm.Remote Control Distance: 50m(Please notice that the 100m distance is the ideal distance without any block and signal interfere. It would rise and fall about 10%-50% with the block and signal interference).   For the remote control switch (receiver): Model: KR1204-4Product type: 4-channel remote control switchRF working mode: ASK superheterodyne receivingModulation method: ASKWorking mode: instant/switch/lock etc.Matching mode: Intelligent learning code.Working voltage: DC 12VQuiescent current: 5mARF frequency: 433MHzOutput current: ≤10AReceiving sensitivity:> 104dbmRe