Protect your electronics, it is very helpful to limit the charging time of expensive electronic devices and prolong their lifespan. Automatically turn appliances on and off as needed to help simplify your daily work, reduce use and save on bills. Humanized design, large screen, clearer digital and digital display; completely silent, very suitable for home use. can be daily switching , countdown and on/off as well as short switching cycle , universal. The timer is safe to use and operate, and has a wide range of applications, such as security equipment, household appliances, 3C digital, smart home, etc.