The 2-Channel 433Mhz Remote Transmitter is designed for seamless wireless control of compatible devices. Operating at 433.92 MHz, it offers reliable transmission and pairs effortlessly with the 903 Remote Receiver for 2-channel applications. Powered by a 12V DC power supply with a 6.5mA consumption, this transmitter ensures efficient and long-lasting performance. The compact design makes it suitable for a variety of remote control tasks. Please note, the A23 battery is not included.