Gate Opener CHARACTERISTICS: small and nice, easy to install and operate. USAGE: we put connectors on PCB for you to connect wires and control home applicance, doors, bus etc. FREQUENCY: 433.92mhz COMMUNICATION MODE: ASK WORKING VOLTAGE: DC/AC10-36V higher than 100MA STATIC CURRENT: lower than 10MA CURRENT ON RELAY: 20A/14DC 7A/120AC COMMUNICATION PROTOCAL: HCS301