BoRccdit A19 Rechargeable Light Bulbs, 12W 60W Equivalent Rechargeable Emergency Light Bulbs, 1200mAh Battery Light Bulb for Power Failure?Warm White

Specification? Power Output: 12W Voltage: 85-265 V Lumen:750lm Color temperature:3000K Applicable lamp base: E26(Also applies to E27) Emergency Time: 3-4 hours Charging Time: 5-6 hours Package: 4*12W emergency rechargeable light bulbs 4 hooks for light bulbs 1 instruction manual How to use the rechargeable led bulb ? Insert the bulb into any suitable bulb fixture as regular led bulb, control on / off by switch. Screw the bulb into our cap with switch and hook, control on / off by switch on our cap. Use fingers touch bulb base, control on / off by fingers. How Does The Bulb Work During Power Outage ? When there is a power outage, switch on, the bulb will stay on as emergency led light, if witch off, the bulb will be off. Why The Bulb Is Always On ? Can Not Turn Off ? Normally this will not happen, but if your lamp circuit system is very complex and special, this will happen, all different brands of emergency light bulbs in current market has this same problem, this is decided by working principle. We offer warranty for all our light bulbs, we can offer fully refund if you are not satisfied with our bulbs