Customizable timer switch: This light switch timer repeats programs with 16 ON/OFF settings. Minute-precise setting accuracy. Customizable timer switch: This light switch timer repeats programs with 16 ON/OFF settings. Adjustment precision to the minute. LCD display and easy to install: This mini time switch adopts real-time LCD displays on "Hour/Minute" and "On/Auto/Off"; DIN rail installation, DIN rail is not included. Indoor and outdoor electric timer switch: This Timer Relay With high accuracy and strong anti-interference ability, the timer is ideal for controlling street lights, neon lights, production equipment, radio and television and many other household appliances. Rechargeable batteries and industrial chips: This Digital Timer has a built-in rechargeable battery and an industrial-grade chip, which can protect your programs during power outages. Advanced preset function: This Digital Programmable Timer allows advanced one week advance presetting, with universal digital electronic switch for daily and weekly schedules, minute setting.