1. With the countdown function, you can set a certain time to turn off household appliances, saving energy and costs2. When you are not at home, you can set the lights to be turned off to keep away potential thieves and help improve your home security. Make your life easier and safer3. Automatically turn off electronic equipment, effectively preventing electronic equipment from overloading. Very suitable for home lighting, fans, air conditioners, humidifiers, Christmas trees and other electrical appliances4. 6 different countdown settings can be set freely to meet your different needs, all you have to do is plug the product into a power outlet and then choose the desired setting5. This product is a countdown timer and simultaneously measures the power consumption, voltage, current, timing of electrical appliances as multi-function sockets Specification: Item Type: Timer Socket Switch.Material: ABSTiming Settings: 1-10hoursInstallation Method: Plug-inVoltage: 230V~/50HzRated Current: 16ASize: Approx. 10.5 x 5.2 x 3cm / 4.1 x 2 x 1.2in Package List: 1 x Timer Socket Switch 1 x User Manual