Specification

※ CREE XHP50.2 LED with a lifespan of 50,000 hours ※ Working Voltage: 3V-4.5V ※ Battery Options: One 21700 or 18650 Li-ion battery ※ Dimension: 119mm (length)× 37.5mm (head diameter) ※ Weight: 120 gram (without batteries) ※ Premium type Ⅲ hard-anodized anti-abrasive finish ※ Magnetic rotating ring for one-handed operation ※ Reverse polarity protection from improper battery installation ※ Low battery warning: The flashlight is rapid flashing every minute to indicate low battery if the voltage is lower than 3 volt, please insert new battery. ※ Automatic Stepdown: The flashlight will slowly steps down to lower mode after 3 minutes of operation in the high mode to prevent overheating. ※ Low voltage protection: The flashlight turns off automatically if the voltage is lower than 2.6 volt. Please recharge the battery. Choice: 1.No battery charger including:1 flashlight, 2 replace Orings,1 lanyard,1 battery tube, 1 user manual 2. 18650 battery kit including:1 flashlight, 2 replace Orings,1 lanyard,1 battery tube, 1 user manual, 1 18650 battery, 1 USB charger 3.21700 battery kit including:1 flashlight, 2 replace Orings,1 lanyard,1 battery tube, 1 user manual, 1 21700 battery ,1 USB charger