USB Rechargeable & Detachable Charging:This B22 rechargeable light bulb features a detachable charging design. No hassle of unscrewing the b22 base; it comes with a 1800mAh battery, fully charged via USB-C in 3 hours for 8-36 hours of long battery life 3 Color Temperatures & Dimmable Brightness:Effortlessly switch between warm (3000K), natural (4500K), and cool white (6500K) with the remote control. Adjust brightness from 10% to 100% for customized lighting, automatically memorizing your last setting Remote Control & Timer Function:Turn lights on/off remotely and set auto-shutdown timers (15/30/60/120 mins). Ideal for bedtime, reading, or energy-saving use. Even if the remote is lost, the bulb’s manual button ensures easy operation 1.5W Low Consumption & Wide Compatibility:1.5W low consumption for long battery life. The detachable magnetic base fits 80% of fixtures (table lamps, chandeliers, wall sconces), making it perfect for bedrooms, stairs, closets, baby breastfeeding, small bedside lamps, and night light Cordless & Safe Installation:No wiring or electrician needed! Simply screw into any B22 socket, place it on a table, or stick it under a shelf. The detachable design allows for quick charging and hassle-free use in non-hardwired areas like garages, patios, or during power outages