Rechargeable Emergency LED Light Bulb

                                                     POWER OUT？🔋🔋 LIGHT ON!💡💡 Never quit working no matter when you need it take you away from darkness. Build in rechargeable lithium battery, the LED bulb could store energy when you daily use. Emergency light, when suddenly power fail such as rainstorm then your other light quit, inner battery will release energy and this bulb will keep work. Camping, hiking, office and industry area helper.  Read below to know how to use this special led bulb: This new designed LED bulb is multifunction, so it is different from other normal LED bulb as below Only when real power outage happen, the stored emergency energy will release, so please don't test it by your wall switch on/off, that is useless. When you first time use this bulb, please charge the bulb in at least 2 hours, battery low energy will cause low brightness. Your wet finger or the lamp hook can lighten the bulb, you can test the battery by this method, the pothook can let the b