Specifications:1. Color: White2. Size: Fits standard E27 lamp bulb base3. Working Voltage: AC160~250V��(50/60Hz)4. Standby Current: 220V��50uA (<0.015W) 5. Control Distance: About 10 meters indoor6. Load Power: < 30W7. Weight: 105gIntroductions:Take the effort out of turning on and off the lamp with this battery operated light bulb controller! Screw the base into any E27 (standard) socket， and turn off your lamp remotely with the push of a button. Great gift for technology buffs， the elderly， or just plain lazy! It works with any bulb 30 watts or less. Features:- Control your lamp wirelessly with this screw in remote attachment- Turn your light on and off via remote control- 2 x AAA batteries required for remote- High-sensitivity， convenient to use - Easy to install - Long lifespan up to 100，000 controlled times- Widely used in home， mall， office， factory ，warehouse， hospital etc.Note: Only for use with bulbs less than 30 watt light bulbs.