Features: Be prepared for emergency-Use a battery, the emergency LED bulbs will stay bright during a power outage. Self-charging bulbs will always support you. Not just an ordinary light bulbs-it can work like an ordinary light bulbs in daily use, but it will automatically charge and act as an emergency light bulbs to prepare for power outages. You can replace the current bulbs in any room, storage room, basement, corridor, barn, etc. Essential Survival Tool-Necessities for the family during power outages, storms, and hurricanes. With this bulbs, you do not need to pay for additional lighting equipment for emergency situations. Prepare emergency lights to deal with household power failures. Easy to install-these rechargeable bulbs are screwed in like ordinary LED bulbs (E27). Each lamp comes with a hook, which is very suitable for outdoor activities such as camping. The built-in battery will be charged under normal lighting conditions. If charged for 8-10 hours, the bulbs can provide 3-5 hours of continuous lighting after power failure. Screw in the hook and light up anywhere: every bulbs has a hook. Hang anywhere. Very suitable for outdoor camping, hiking, work lighting. You just need to press your fingertip on the top of the bulbs and hold the line, it will automatically light up. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Input voltage: 220 (V) Luminous flux: 900 (lm) Beam angle: 120 (degrees) Color rendering index: 70-80 Lamp body material: plastic Shade material: PC Dimensions: 95*155 (mm) includes: 1Smart emergency light 1Light stand hook