EASY INSTALLATION: No wiring is required, just screw it in and use, turn on or off the switch for precise and individual remote control of the bulbs. REMOTE CONTROL RANGE: Adopting very powerful RF technology, it can pass through walls and obstacles. The remote control range is up to 66 feet through walls and obstacles and up to 100 feet in open spaces. COMPATIBILITY: No driver or software is required, compatible with a wide range of bulbs, including filament bulbs and LED bulbs. Socket Type: E26 or E27, Voltage: AC 85-250V, 50 or 60Hz, Max Load: LED 80W CFL 100W 200W Incandescent. Wide Application: One button can set 30-minute and 60-minute timer functions. Suitable for controlling household appliances and festive decorations, such as Christmas and birthdays. Energy Saving: Extremely low standby power consumption reduces energy consumption when the device is not in operation. In the event of a power outage, the lampshade remains off to save energy. (Batteries not included)