Do you ever forget turning off your home appliances? Do you ever pay high bill because of wasting a lot of electricity Want to reduce energy consumption by turning off your home devices when you are not at home? Now our YOUTHINK Programmable Digital Timer is the right solution! With this timer, you will get a more convenient and efficient lifestyle! Multiple Adjustments for Different Days Our timer has 16 groups of ON/OFF programs. And for each program, 15 kinds of setting conbination are provided. So you can choose several days of the week for programmable controls and avoid repetitive manual adjustments, or choose between week or weekend for simple differentiation. Countdown Function Do not worry about charging all night. With the countdown function, you can set timing time up to 1440minutes (24 hours) for your home devices. So your coffe maker, fish pomp, plant lamp cellphone charger and so on will automatically power off when the setting time is over. Enjoy your life. Note: 1. Do not use this timer at outdoors. It is not waterproof 2. Do not try to open the device in any case. 3. Do not splash water or any other liquid on it 4. Do not not exceed the rated power. Specifications: Max. Current: 13A Power Supply: 90-250V Rated Power: 4000W Foramat: 12/24 H Program Group: 16 gourps Countdown:1min-1440min Max.Setting: 168 hours Min.Setting: 1min 1Simplify Your Life: This digital programing timer offers weekly configuration; Supports up to 16 groups of ON/OFF programs; You can choose several days of a week for programmable controls; Once set, the timer will repeat the programs by weeks 2Easy to Use: Backlit LCD display enables clear and fast reading; easy switch between 12 and 24 hours in daylight; Minimum timing time is 1 minute; Maximum timing time is 168 hours; Suitable for devices up to 16 A, 4000W 3Intelligent Memory Function: No necessary to set your programs when a sudden power failure occurs; The timer has an built-in backup battery, so it can automatically save and update all your programmed settings, reset date and time when power failure 4Energy Saving & Overload Protection: By using our timer, your electric devices will auto turn on / off at regular time, so as to reduce power consumption and save energy bills; Built?in 13A relay, the timer will auto power off when the current is above 1 5Wide Application: An ideal timer for light, plant growth lamp, Christmas tree lights, electric cooker, water heater, cell phone chargers, TVs, fish tank, water pump, fans, etc.; Make your life more convenient