450 lumens three-level LED light: Small lamp has a 25, 000-hour lifespan. Adjust the light to how you want.Outdoor-ready: IP44 waterproof rating and low/high temperature resistance allow it to be an outdoor lamp. Cordless and rechargeable, you can carry table lamp around easily. No need to be plugged in.Light-controlled, with button switch: Desk lamp automatically turns on at dusk, and automatically off at dawn. Button to manually control.Solar and USB charging: Charge outdoors under sunlight to save energy. Also USB-C port. Offers 4-16 hours of usage after 3.5 USB hours, 12 hours usage when charge via solar energy.Dimensions: Dia. 20 x 30Hcm. Shade: Dia.20 x 15Hcm. Base: Dia.16 x 0.2Hcm.