Features:With 8 operating buttons, including 7 single-speed buttons and 1 total stopUp to 9 control pointsWith battery voltage warning device, it can cut off the circuit when the voltage is insufficient.Safe button switch to prevent unauthorized use.Internal functions can be set by the computer interfaceUpper/lower, east/west, south/north can be set as whether they inhibit each other.Standby 1 button can be set to boot, speed up, stamp, normal and other functions.It is suitable for industrial control of single hook single speed/two mechanism inching hoist and less than 6 contactsSpecification:Control distance: up to 100 metersSecurity code: more than 4.3 billion, factory never repeatTemperature: - 35to + 80(regardless of the cell temperature proof)Protection level: IP65Transmitter power supply: dc 3V (2 *AA batteries )(NOT Included)Parameters of remote control:Case: glass fiber reinforced nylonProtection level: IP65Transmission power: < 10dBmTransmitter power supply: 2 AA batteriesSecurity code: 32 bits (4.3 billion sets)Control distance: 100 metersReceiver parameters:Case: glass fiber reinforced nylonProtection level: IP65Transmission power: 110dBmSecurity code: 32 bits (4.3 billion sets)Contact capacity: 8A hermetic relay inputReceiver power supply: AC220VWeight: Approx.1682g/59.3oz.