Features: 1.Power supply:input 24~36VDC 2.Power indicator: Yes 3.Color: gray 4.Max IP rating: IP66 5.Standby power: 1W max 6.Handset interface: crystal bending plug 7.Control concept: H-bridge, with a service life of more than 20,000 cycles (suitable for signal switches) 8.actuator interface: 4 channels (6P connector) 9.Safety system: over current protection 10.Installation: Compatible with actuators equipped with special mounting brackets; bed frame (via screws) 11.Line card: all ports have 12.Duty cycle: 2/18 @ 25°C; continuous use on/off 13.Built-in dry battery, can provide emergency descent function