1. Use CA18-3X LED, life of 50000 hours, with a TIR optic lens producing a soft and balanced beam.2. With dual lumens output: 220 lumens(Max), 5 lumens;3. With built-in rechargeable Li-ion battery that charges through a Micro-USB port, red means charging while green means fully charged;4. Working voltage is 3.1v ~ 4.2v.5. Runtime: 220 lumens -- 23 minutes, 5 lumens Max 7.5 hours6. Compact & stylish, can be attached to a keychain, handbag, or conveniently slide into a backpack or pocket ;7. Anti-reverse connection design, prevent the battery installation against the circuit to cause harm.8. Aluminum alloy material, military III grade hard anodic oxidation.HOW TO OPERATE ON/OFF and output changes are controlled by twisting the flashlight head. Twist it slightly to turn it on at 5 lumens and a bit further for 220 lumens.HOW TO CHARGE1. Unscrew the head, put the Micro-USB insert the charging port.2. Red light means charging, green light means fully charged.
