Digital electronics general purpose time switch can repeat programs with 16 ON and 16 OFF settings for different uses for flexible scheduling. Advanced pre-setting one week before. To-the-minute setting accuracy. Built-in rechargeable battery and intelligent chip, enable to retain programming setting even in a power outage. Specification: Contact Voltage Rating: AC 180V-264V 50/60Hz Number of Circuits: 1 changeover switch (SPDT) Erro: 2S/day (25 #xff09; On/Off operation: 16 times On and Off (manual / auto) Power: 4.5VA (max) Bound: 1min-168hours Battery Backup: 15days Minimum Interval: 1 minute Load Capacity: 16A 250VAC Mechanical Lifet: 10^7 Electrically Life: 10^5 Humidity: 35-85%RH Operating Temperature: -10 - 55 Mounting Methoud: 36mm din rail Item Size: 87*64*35mm/3.43*2.52*1.38in Packing List: 1 * Digital Timer Swich 1 * User Manual