Feature: 1. Timing and Labor Saving: Smart timer switch, accurate to no time every minute and second, optimize your home power consumption, automatically turn on and off the power of devices as needed, which helps to simplify daily work. 2. Energy Saving Design: This smart timer socket has an energy saving design, which can be used to reduce energy consumption, save energy and reduce the cost of consumption. 3. Flame Retardant: The product shell is made of flame retardant PC engineering plastic, which is flame retardant at high temperature and passes the 750°C scorching wire test, making it safe and secure to use, ensuring the safety of users and the safety of electricity at the venue. 4. Resistant to Plugging and Unplugging: This smart socket is very strong and resistant to plugging and unplugging, with copper piece plug closure technology, good elasticity, durable and not loose. 5. Countdown and Shutdown Modes: Countdown and shutdown modes are very helpful for limiting the charging time of expensive electronic devices and extending their service life. Specification: Name: Intelligent Electronic Timer Switch Socket Model: TS 839 Material: ABS Battery: 1 x 3.6V NiMH rechargeable battery, capacity 600mAh (shipped with built in battery). Package List: 1 x Socket1 x Instruction Manual Note: Please read the manual before use