Features： 1、[ 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. Specification： Item Type: Digital Timer Switch Material: ABS Battery Type: Lithium battery Size: Approx.60x60x30mm/2.4x2.4x1.2in Package List： 1 x Digital Timer Switch