Cordless LED Light: Say goodbye to tangled cords and limited outlets. Illuminate the dark corners of your home without the need for AC power. Never worry about power outages again. The bulb's brightness is up to 350 lumens, equivalent to a 40W incandescent bulb. Rechargeable Bulb: This bulb does not have a rechargeable battery. 10-24 hours of continuous use after 3-4 hours of charging with the included charging cable (the bulb shows a red light while charging and 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 corded bulbs due to batteries. Easy Installation: The bulb comes with a universal E26 screw base for seamless installation into a variety of fixtures. The bulb has a built-in magnet allowing for detachable mounting (no need to frequently screw and unscrew the E26 base). An additional metal plate is also included to mount the bulb on any flat surface. The bulb is 2.5 inches wide, compact and easy to install, and compatible with most lampshades. Versatility: The bulb offers three light 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% as needed. Additionally, it has a timer function, allowing you to set the bulb to turn off automatically after 15, 30, 60, or 120 minutes. Wide Compatibility: The E26 bulb seamlessly fits into various lighting fixtures. Whether it's wall sconces, pendant lights, ceiling lights, Color: White Material: Plastic Package Contents: 1 x Charging 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 +/- 1-3 cm.