1[Excellent Chip] Adopt 8 bit microprocessor time controlled chip, fixed on the PCB board by packaging technology, with stable performance. 2[Automatic Start and Stop] The timer switch has 17 groups of timings, will automatically turn on and off the power of various electrical equipment according to the set time. 3[High Performance] The timing switch provides high precise, more powerful control, with strong anti electromagnetic interference. 4[Memory Function] Humanized designed with power failure memory function, which saves the trouble of power failure reset, more convenient. 5[Wide Purpose] The switch can be widely used in production equipment, street lamp, light box, neon light, warehouse exhaust and dehumidification, agricultural breeding, radio and television and other electrical power control products. 1 x DigitalTimerSwitch Item Type:DigitalTimerSwitchMaterial: ABSBattery Type: Lithium batterySize: Approx.60x60x30mm/ 2.4x 2.4x 1.2in