Digital Charging Meter The Charging Meter Is Divded In To 4 Parts 25% T0 100% Which Is Make Easy To Monitor. Charging Time The Maximum Charging Time Of This Bulb Is 3.5 Hours. Experience The Brightest Light With Rechargeable Led Bulbs. The Light Is Ideal For Homes And Commercial Spaces. The Best Quality Product Design And Exclusive Components Ensure Consistent Output. Outlined With Exclusive Features The Led Bulb Is Highly Durable And Long-Lasting. Working Lighting : 3 Adjustable Lighting Modes Safer Then A Propane Lantern. Rechargeable Internal Batteries , Reliable Good Quality. 3 Adjustable Modes 1, High Brightness 2, Low Brightness 3, Flashings ?Working Temperature: -1040 ?Working Humidity: 90% ?Battery Capacity: 2000Mah ?Charge Input: 5V 1A ?Power: 18W ?Charge Time: 3 Hours ?Using Time: 3/9 Hours (Strong/Weak Degree) Low Energy Consumption Led Lighting Are Highly Energy Efficient And Can Save Around 90% Electricity As Compared To Incandescent Lights And 50% As Compared To Cfls. Low Energy Consumption Reduces The Load On Electric Power Plants, Which In Turn Reduces The Amount Of Fuel Being Burnt To Generate Electricity.