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.