Channel 433MHz Black Remote Control Wireless RF Learning Code 1527 Receiver 1527 Keychain

C1257 module chips, learning code encoder, compatible with current controllers. 4 channels, 16 mA operating current, 433 MHz frequency. Widely used in vehicle central locking systems, garage doors, electronic gates, electrical appliances, car sunroof, heating systems. Before purchasing, please confirm whether the operating frequency chip type, and the vibration resistance of transmitter are in agreement with ours. If receiver is not in shop, please make sure if there is a light signal on it, and if the confirming method is the same as ours