Countdown Timer Switch Do you often forget to turn off your air conditioner, humidifier or light? And worry about paying unexpected excess electric charge? This Timer Switch can solve these problems! With 1, 2, 4, 6, 8, 10 hours countdown timer function, you can set the certain time to turn off the household devices, which will save energy and cost. Own it, never worry about your phone will overcharge. Besides, when you are not at home, you can schedule the light to turn off, so as to keep potential thieves away, helping improve your home security. It will definitely make your life much easier and safer! Plug Type: US Plug,it applies to Canada, India, Japan, Mexico, Thailand, the United States, the Philippines and so on. color: White Material: ABS+ metal Avoid Overcharging Automatically turn off the electronic device, effectively protect it from overcharging Anti-theft Random Function Improve your home security by timing function, giving the appearance that someone is at home even while you're away 6 Setting Choices 6 different countdown timer settings can be freely set up, meet your different needs Easy to Operate All you need to do is plug it into a power outlet then choose the setting you desire Widely Used Application Perfect for devices like home light, fan, air-condition, humidifier, Christmas tree and other electrical appliances US Plug: 110V 50Hz 15A 1800W Installation: plug-in type Operating temperature: -10 - 40 Deg.C Standby power: less than 1.5W Timing parameters: 1, 2, 4, 6, 8, 10 Package Contents: 4 x timing socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.