This is a universal 433.92MHz receiver. It is can work for 99.9% remote control brands on the market. SECIFICATIONS: 1. Power supply: 12V-24V DC 2. Frequency: 433.92Mhz 433MHz 3. Codes: can work with any fixed/learning/rolling codes 4. 2 channel 5. Working temperature :-40- + 80 6.Built in Aerial antenna : Reception range 10-100m Products advantage: 1) Can learn Fixed and Rolling code 433,92Mhz remote controls separately and simultaneously !!! 2) Can learn and use most Original 433,92Mhz Fixed and Rolling code remote controls !!! 3) 2 channel receiver provides you with an option to control and use 2 gate automations or alarm systems simultaneously 4) Very low price. PROGRAMMING: Momentary working model: 1.Learning transmitters codes: Press learn 1 or learn 2 for 1 second, the learn_led light, then, press the button which you choose on the transmitter till the learn_led flash and go out, the transmitters code has been stored. Repeat the above steps for other transmitters. 2.Erasing transmitters codes: Press learn 1 or learn2 and hold on to make the learn_led light till go out, all codes of transmitters which had been stored are erased. ANT - Receiver Antenna CH1 - Relay Output 1 CH2 - Relay Output 2 V+ - Voltage + GND - Ground NOTE: The remote control does not come with batteries Include 1pcs receiver 1pcs English manual