USB Rechargeable Light Bulb: This E14 screw-in bulb features a detachable charging design, eliminating the hassle of frequently unscrewing the base, providing convenience in daily use. With a 2000mAh battery capacity, it can operate continuously for 8-36 hours, saving you the trouble of frequently replacing AA batteries or worrying about acid leakage.

Adjustable Color Temperature and Brightness: The included remote control makes it easy to operate, allowing you to quickly turn the light on and off from a distance, 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-powered bulbs have a diameter of 60mm and a power output of up to 350 lumens, equivalent to a traditional 40-watt incandescent bulb. It features an innovative 280° arc diffuser for better illumination and a 4-step timer that automatically turns off the light after a specified time (15/30/60/120 minutes).

Wide Range of Applications: The multifunctional cordless 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 the home, including the dining room, living room, bedroom, patio, kitchen, closet, entryway, or camping tent, RV, garage, hallway, stairs, etc.