·[ 3 Levels of Adjustable Brightness ]Battery mode lasts up to 14 hours, rechargeable battery bulb has 3 duration options: 2-3 hours/7-8 hours/14+ hours.100%/50%/10% Brightness is adjustable, use different brightness in different places.10% for bedroom, 50% for bathroom, 100% for living room.There are 2 ways to adjust the brightness: 1.The rechargeable bulbs in the fixtures can only be adjusted by the fixture switch in the event of a power outage;2. Adjust the brightness with the button on the hook.

·[ Rechargeable Emergency LED bulbs ] These rechargeable light bulbs will keep your home lit for 2-14 hours in the event of a power outage. Simply screw our emergency light bulbs into the socket and use it like a regular bulb, it will automatically recharge and prepare for a power outage, when the power goes out, our bulb remains on.

·[ Energy Saving Bulb ] - 800-850 lumens emergency bulb with low energy cost and long term use. With energy efficient LED chip, you can save at least 80% of energy and electricity bill. Ideal for you to reduce your electricity bill.

·[ Daylight LED bulbs and convenient hook ] These rechargeable light bulbs can be applied like normal LED bulbs (E27/E26). Each comes with a hat hook switch, perfect for outdoor activities such as camping, necessities in case of power outages, storms, hurricanes, etc. Say goodbye to extra candles, flashlights and lanterns.

·[ What you get ] 4 packs of emergency rechargeable LED bulbs and 4 Hook. We are committed to providing high quality products and excellent service to our customers with 24 hours service online. No radiation,100% environmental friendly.