The digital electronic timer switch is designed to automatically turn on/off various electrical appliances based on the setting time, saving energy and prolonging the service life of electrical appliance. Plug and play, very easy to use. Features: Environmentally friendly PC flame retardant material with strong durability, safe and secure to use. With LCD display for easy and clear reading. Designed to automatically turn on/off various electrical appliances based on the setting time, saving energy and prolonging the service life of electrical appliance. Time setting includes minute, hour and week setting, and the minimum setup time is 1 minute. Support 20 groups of ON/OFF setting programs, countdown time setting, summer time setting and random function. Plug and play, very easy to use. Built-in rechargeable-battery for backup the memory when power failure, more convenient to use. Widely used for street lights, neon signs, advertising signs lights, home appliances, industrial electrical equipment, etc. Specifications: Plug: EU / US / UK (Optional) Power: 220~240V, 50Hz(EU/UK); 100~125V, 60Hz(US) Output(Max): 16(2)A, 3600W(EU); 15A, 1250W(US); 13A, 3100W(UK) Material: PC Installation: Plug-in type Output Control: Timer/Manual Control Timer Accuracy: 1 sec/day, at 20 Operating Temperature: -10~55 Built-in Battery: 1 * 1.2V 40mAh Ni-MH rechargeable-battery Battery Standby Time: 120 days Item Size: 115 * 60 * 33mm / 4.53 * 2.36 * 1.30in Item Weight: 127g / 4.49oz Package Weight: 154g / 5.44oz Package Size: 19.3 * 10 * 8.5cm / 7.60 * 3.94 * 3.35in Package List: 1 * Timer Switch 1 * Manual (English)