Qiachip 4 buttons RF 433MHz 1527 learning code Remote Control Duplicator Gate Garage Door Opener KT16

1527 Learning button Wireless Remote Control with No Cloning Video Demo:     Specifications Of The Transmitter: Model Number: KT16-4.Materials: ABS.Channel: 4 Channel.Encoding Type: Learning Code (1527).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).