Usage Tips: [E14 Rechargeable Light Bulbs]: 66mm diameter, 40W equivalent, 300 lumens, remote control included, 5V/1A charger not included. Manual switch operation available if remote is lost. E14 socket USB rechargeable light bulb. [Detachable USB-C Charging & Magnetic Base]: Charged via USB-Type C, easy charging without needing to screw in the bulb. Features sleep mode to preserve charge, IP44 rated for moisture resistance. Can be detached and used as a portable night light; easily attaches to any magnetic surface. Ideal for areas without hardwired power or electrical outlets. [4 Brightness Levels & 3 Timers]: Offers 4 dimming levels and 3 auto-off timer options (1 min, 60 min, 120 min). Remote-controlled E14 bulb with 150 beam angle and 75mm height for enhanced brightness distribution. Note: Not as bright as standard AC-powered LED bulbs. [3 CCT Color Temperatures & Memory Function]: Provides adjustable color temperature from 2700K (warm white) to 6000K (cool daylight) with flicker-free lighting. Battery runtime ranges from 4 to 18 hours depending on brightness level. Automatically recalls the last used brightness setting when turned on. [Various Applications]: Versatile cordless light bulb with magnetic base suitable for use in wall lamps, table lamps, floor lamps, chandeliers, and ceiling fixtures. Perfect for dining rooms, living rooms, bedrooms, patios, kitchens, closets, and entryways. Warranty includes free replacement for defective remotes and E14 rechargeable bulbs.