Cordless LED Bulb: Say goodbye to tangled cords and limited power outlets. Illuminate dark corners of your home without the need for AC power. Never worry about power outages disrupting you again. The light bulb's brightness is up to 350 lumens, equivalent to a 40W incandescent bulb. Rechargeable Bulb: This 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 shows a red light during charging and a green light when fully charged). The bulb incorporates 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 the batteries. Easy Installation: The bulb comes with a universal E26 screw base for seamless installation into a variety of fixtures. The bulb itself has a built-in magnet allowing for detachable mounting (no need to frequently screw in and out of 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 is 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 that lets you 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 lamps, pendant lamps, ceiling lamps, Color: White Material: Plastic Package contents: 1 x Rechargeable 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 allowed measurement error is +/- 1-3 cm.