24H/7D programmable, accurate to the minute ON/OFF up to 10 times per day Easy toggle between Standard Time and Daylight Saving Time (DST) Built-in battery (non-removable) maintains program memory Manual override function to set timer to always on or off. Random function to randomize your lights on while on holiday on and off. Energy saving The timer socket is up to 3680W, works for lamps, bread makers, coffee makers, Christmas lights, grow lights, air conditioners or Fish Air Pumps. Setting programs to automatically turn devices on and off as needed avoids excessive power consumption, which is worth saving energy. 24H/7D programmable You can turn on/off the timer on a specific day of the week or multiple days of the week to meet your different needs. Accurate to the minute, up to 10 on/off settings per day. Automatically turning the bread maker on and off depending on your commute, saves you from getting up early for breakfast. Overcharge protection Keep your phone charged for a whole night Overcharging depletes the battery life. With the digital timer switch, you can set the time to charge, automatically turn off at night, protect your phones/laptops or mobility scooters from overcharging and extend their lifespan. Random Function Usually used on vacation. Press RANDOM button, the LCD display shows RANDOM, which means RANDOM function is in effect from 6:00AM to 6:00AM. Make your house appear as if someone is home. Calm down when you go on vacation.