This ingenious electrical outlet timer lets you set timers for different 24-hour periods for all 7 days of the week. You can program up to 10 different programs. Random trigger function, quick setting for summer/winter time. Save programs in case of power failure (battery included). Save energy and money by automatically turning off your devices instead of leaving them on standby during unused hours. This electrical outlet timer can be used for lamps, fans, heaters, air conditioners, mobile phone chargers and other household appliances, which can maximize convenience and save energy. Specifications: Operating voltage: 220-240V/50Hz Operating current: 16A Maximum power: 3680 W Accuracy: +/-1 minute Internal battery: NiMH1.2V>100 hours Package contents: 1 x Digital Timer Note: Other items are not included, color as shown in the picture and other pictures are for effect only. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!