USB Rechargeable Light Bulb: This E27 screw bulb features a detachable charging design, eliminating the hassle of frequently unscrewing the base, providing convenience in daily life. With a 2000mAh battery capacity, it can run continuously for 8-36 hours, saying goodbye to the trouble of frequently changing AA batteries or worrying about acid leakage.

Color Temperature & Brightness Adjustable: The included remote control makes it easy to use, allowing you to quickly turn the light on and off remotely, switch between warm, natural, and cool light (3000k/4500k/6000k), and choose from 3 different brightness levels (30%/60/100%). The LED bulb remembers the last brightness setting when turned on again, eliminating the need to repeat the setting.

Timer Function: The battery-operated light bulb is 60mm in diameter and has a power of up to 350 lumens, equivalent to a traditional 40-watt incandescent bulb. It features an innovative 280° arc diffuser to provide better illumination and a 4-step timer that automatically turns off the light after a certain time (15/30/60/120 minutes).

Wide Range of Applications: Multifunctional cordless light bulbs with detachable magnetic bases can be combined with wall lamps, table lamps, floor lamps, chandeliers, ceiling lamps, etc., to create a cozy atmosphere. Perfect for use in various parts of your home, including dining room, living room, bedroom, patio, kitchen, closet, entryway, or camping tent, RV, garage, hallway, stairs, etc.