Usage Tips:【Programmable Timer】- Simplify your life, intelligent timer control design, up to 10 time settings with 16 separate timing programs, each event can occur in a certain period of time.Large LCD display, made of safe and high density flame retardant materials!【Save energy and optimize your plan】- Automatically turn on/off different devices.Such as ventilation/temperature controller, kitchen/garden/yard lighting, irrigation system, yard lamps, Christmas lights, coffee machine etc., as long as your electrical appliances need to be turned on and off, the digital timer socket can help!【Built-in button battery】Long-term use, no need to replace.The integrated battery and the optimized copper structure extend the lifespan of digital timersDigital timers control the electrical output of household appliances, which contributes to energy saving and environmental protection.【Random Mode & Worry-Free Anytime】- Deter Burglars: Random mode can be used to turn a lamp on and off at a random interval to increase security for your home.12/24 hour mode with summer time mode, keeps the timer always on or off through the manual override function.