Rechargeable LED Light Bulb This LED bulb is equipped with a 2600mAh large-capacity battery and charges via a USB port, eliminating the need for frequent battery replacements. It allows you to use it anywhere without needing to plug it into a power source. It is ideal for places without a power connection. Charging takes only 4-6 hours, and once fully charged, it can be used for 10-40 hours Magnetic DesignThis battery light bulb features a magnetic design, allowing the bulb to separate easily from the base. You only need to remove the bulb for charging, improving convenience. The bulb has a strong magnet and can be attached to metal surfaces, making it suitable for a variety of lighting scenarios. The included 3M adhesive pad allows for easy installation on walls, glass, and other non-metal surfaces, adapting to different environments. 2 Control Modes This power outage light bulbs comes with a remote control, allowing you to easily adjust the brightness (10%-100%), three color temperatures (3000K warm light, 4000K natural light, 6000K white light), 9 RGB colors, and 2 RGB modes (breathing mode/jumping mode). It also has a timer function (30min-120min) and supports a 10-meter remote control range. The bulb also features a traditional button switch for manual operation, meeting the needs of different scenarios. Battery Powered Light BulbThis LED bulb provides up to 400LM of brightness, equivalent to a traditional 40W bulb, ensuring a bright and comfortable lighting effect. It has a built-in memory function, which automatically saves the last used brightness and color temperature settings, so you dont have to adjust them again.