Wireless LED Light Bulb: Say goodbye to tangled cords and limited power outlets. Illuminate those dark corners of your home without the need for AC power. Never worry about power outages bothering you again. Light bulb brightness is up to 350 lumens, analogous to a 40W incandescent lamp. Rechargeable Light Bulb: This light bulb features a built-in rechargeable battery. 10-24 hours of continuous use after 3-4 hours of charging with the included charging cable(the bulb display a red light while charging and display a green light when fully ). The bulb features high-efficiency LED technology to maximize energy efficiency and reduce the need for frequent charging. Rechargeable bulbs may be slightly dimmer than wired bulbs for battery reasons. Easy Installation: The light bulb comes with a universal E26 screw-in base for seamless installation in a variety of fixtures. The bulb itself has a built-in magnet that allows for removable mounting (no need to frequently screw in and out of the E26 base). An additional metal sheet is also provided to mount the bulb on any flat . The bulb measures 2.5 inches wide, is compact and easy to install, and is widely compatible with most lamp shades. Versatility: The light bulb offers three lighting modes (warm white/natural white/cool white) to suit your preferences. It is also dimmable, allowing you to adjust the brightness from 10% to 100% according to your needs. Additionally, it features a function, enabling you to set the bulb to automatically turn off after 15, 30, 60, or 120 minutes. Wide Compatibility: The E26 light bulb seamlessly fits into light fixtures. Whether it's wall sconces, pendant lights, , ceiling fixtures, Colour:White Material:plastic Package Contents: 1 x charging light bulb 1 x USB data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.