EASY INSTALLATION: No wiring needed; simply screw in and use. Turn the switch on/off for precise, individual remote control of your light bulbs. EXTENDED REMOTE RANGE: High-power RF technology penetrates walls and obstacles. The remote control range reaches 20 meters through walls and obstacles, and up to 30 meters in open space. WIDE COMPATIBILITY: No drivers or software required. Compatible with a wide range of bulbs, including incandescent and LED bulbs. Socket type: E26/E27, Voltage: AC 85~250V, 50/60Hz, Maximum load: LED 80W; CFL 100W; Incandescent 200W. VERSATILE APPLICATION: One-button operation sets 30-minute and 60-minute timer functions. Ideal for controlling household appliances and festive decorations, such as Christmas and birthdays. ENERGY SAVING: Extremely low standby power consumption minimizes energy use when not in use. In the event of a power outage, the lamp remains off to conserve energy. (Batteries not included)