TrustFire MINI2 Keychain Flashlight

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 hours 6. 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 CHARGE 1. Unscrew the head, put the Micro-USB insert the charging port. 2. Red light means charging, green light means fully charged.