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. The high transmittance lampshade provides you with a soft beam of light without glare or ghosting. The overall effect is very bright. Comes with versatile remote controllers for easy remote control lighting 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 will display a red light while charging and will display a green light when fully charged). 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 safety 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 surface. 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 timer function, enabling you to set the bulb to automatically turn off after 15, 30, 60, or 120 minutes. You can easily control the light settings through the remote controller or manually via touch