RECHARGEABLE & PORTABLE- Our rechargeable picture lights have a built-in 5000 mAh battery, lasting over 12 hours and charging in just 4 hours. Features USB charging and magnet adsorption for easy removal and charging. VERSATILE LIGHTING OPTIONS- Offering 3 lighting modes (white/warm/natural light) and adjustable brightness from 10-100%, our battery operated wall lamps also feature a memory function to preserve the last used settings for added convenience. ENERGY SAVING UPGRADED DESIGN - Each LED lamp bead in our painting lamp has a separate trapezoidal focusing groove for enhanced light effect with minimal power loss. This design ensures linear light distribution on the wall, perfect for painting dec and highly energy-efficient. EASY CONTROL OPTIONS - Our wireless wireless picture light can be operated by direct touch or the included remote control, which has a timer function to automatically turn off after 15/30/60 minutes while adjusting brightness and color temperature. SUPERIOR CUSTOMER SUPPORT- If you encounter any quality issues with our usb rechargeable lamp, please don't hesitate to contact us. We aim to respond within 24 hours and provide you with the best after-sales solution.