1、7 Day Digital Programmable Timer -- Digital electronics general purpose time switch with daily and weekly programs (10 different mode). 1 min to 168 hours full time range. Repeat programs with 16 ON and 16 OFF settings. To-the-minute setting accuracy. 2、LCD Display -- LCD displays real time to Hour/Minute and ON/AUTO/OFF, large LCD screen for easy reading, you can see every figure on it clearly. 3、Built-In Rechargeable Battery -- It has a built-in 1.2V/40mA rechargeable battery and a industrial grade chip, so the unit retains the programming setting even in a power outage. 4、Easy Operation -- Large screen and clear key button for easy and accurate operating. D+(setting the days), H+(setting the hours), M+(setting the minutes). 5、Wide Application -- This timer switch could automatic turn on/off electric equipment according to the time user set. With high precision and strong anti-interference ability, the timer switch is great for controlling street lamps, neon lamps, production equipment, radio and television and many other home appliances. 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. Features: 7 Day Digital Programmable Timer -- Digital electronics general purpose time switch with daily and weekly programs (10 different mode). 1 min to 168 hours full time range. Repeat programs with 16 ON and 16 OFF settings. To-the-minute setting accuracy LCD Display -- LCD displays real time to Hour/Minute and ON/AUTO/OFF, large LCD screen for easy reading, you can see every figure on it clearly. Built-In Rechargeable Battery -- It has a built-in 1.2V/40mA rechargeable battery and a industrial grade chip, so the unit retains the programming setting even in a power outage. Easy Operation -- Large screen and clear key button for easy and accurate operating.  D+(setting the days), H+(setting the hours), M+(setting the minutes). Wide Application -- This timer switch could automatic turn on/off electric equipment according to the time user set. With high precision and strong anti-interference ability, the timer switch is great for controlling street lamps, neon lamps, production equipment, radio and television and many other home appliances. Specification: Voltage: 220V / 110V / 12V / 24V (Optional) Contact Voltage Rating: AC 220V  50/60Hz Number of Circuits: 1 changeover switch (SPDT) Error: ≤2S/day (25℃） 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 Life: 10^7 Electrically Life: 10^5 Humidity: 35-85%RH Operating Temperature: -10 - 55 ℃ Mounting Method: 36mm din rail Item Size: 87*64*35mm/3.43*2.52*1.38in Packing List: 1 * Digital Timer Switch 1 * Digital Timer Switch