smart charge bulb emergency light blackout emergency LED 20W energy saving bulb (only screw one )

Features:Multifunctional, this emergency bulb is portable and widely used as camping lights, flashlights, warehouse lights, etc.Ideal for standby lighting with power outages.Magic bulb + rechargeable emergency bulb with built-in rechargeable lithium battery. The battery will recharge during daily use, and when a sudden blackout occurs, the battery will release energy for emergency lighting.Suitable for home and office lighting: bedrooms, bedrooms, study, office, school, etc.Portable bulbs: camping, fishing, hiking, picnics, barbecues, night market stalls and cabins, etc.Specification:Material: LED + acrylic plastic + aluminumLamp head: E27Power: 20 WInput voltage (V): AC 85-265 V Emergency time: 3-4 hoursBattery: Built-in lithium batteryPackage:(Optional product1 * LED smart emergency bulb 1 * E27 lamp holder with switch