WHAT IT CAN DO-- With the countdown function, you can set a certain time to turn off household appliances, improve your home security and make your life easier and safer WIDELY APPLICATIONS-- Power outlet switch timer widely used in home, hospital, school, etc. Which can save energy and costs, reduce fire hazards and extend the life of electrical appliances PREVENT OVERCHARGE-- When the battery is fully charged, it will automatically disconnect the circuit, effectively preventing electronic equipment from overloading. Very suitable for home lighting, fans, air conditioners, humidifiers, Christmas trees, etc. 6 OPTIONAL MODES TIMER-- 6 different countdown settings can be set freely to meet your different needs. All you need to do is plug the product into a power outlet and then choose the setting you want. MULTIPLE FUNCTION-- This product is a countdown timer and simultaneously measures the power consumption, voltage, current, and timing of electrical appliances as multi-function outlets. Specification Item Type: Timer Socket Switch Material: ABS Timing Settings: 1-10 Hours Installation Method: Plug-in Voltage: 230V~/50Hz Rated Current: 16A Size: Approx. 10.5 x 5.2 x 3cm / 4.1 x 2 x 1.2in Color: White Quantity: 1 pcbecomeveryrich