Rechargeable Emergency LED Bulb, LOHAS A21 Multi-Function Battery Backup Emergency Light Bulb for Power Outage Camping Outdoor Activity Hurricane, Daylight White 5000K, 10W, 850LM, 2 Pack

You Will Get in the Box: 2* 10W rechargeable emergency light bulbs 2* Hooks for light bulb Specification Power Output: 10W Color: Daylight White 5000K Applicable lamp holder: E26 Battery: 2000mAh Wide Application 1.Battery operated light bulb for home, office, basement, garage, porch 2.Outdoor camping, hiking, work light 3.Emergency backup for natural disaster 4.Used as magic trick bulb, party bulbs Q1: How to test it whether they can work during power outage? A1: Steps 1.Use them in a unplugged lamp,if those bulbs can work in an unplugged lamp, then they can work during power outage. If they can't work in a unplugged lamp, it doesn't mean those bulbs was defective, please try step 2 and read step 3. 2.Use them in the hooks provided, if the bulb can work in the hooks provide, then they will work during power outage. 3.If the bulb can't work in your unplugged lamp but can work in the hooks provided, then, during power outage, please keep your home main switch on and keep the lamp plugged in then the bulb can work during power outage. Please charge them with electricity before testing them. Q2: how to use the Rechargeable LED Bulb? A2: 3 using ways fit various needs. 1.Daily Use Use like the normal light bulb. Use with the electric and controlled by the switch. 2.Use During Power Outage It can be switched on/off during power outage. It can work continuously for 3-5 hours during power outage if fully charged(it can self-charging when working with electric). 3.Use with the hooks after charged Screw the light bulb into its hook provided, the bulb will lit up, loose a little, the light bulb will go off.