Features: Aluminum material reflector for a flawless beam CREE AM-L T6 LED, with a lifespan of up to 100,000 hours Li-ion battery discharge protected Toughened ultra clear glass lens Constant current output circuit design Can adjust the focal length telescopically Output types: Max-Med-Min-Strobe-SOS Specifications: Model: 631 Bulb Type: LED Voltage: 3.7V Lumens: 1200lm Material: Aluminum Alloy Beam Distance: Above 500 Meters Switch: Tail cap LED Lifespan: 100,000hrs Additional Features: Telescopic Focusing type Powered By: 1*18650 li-ion battery Dimensions: 167*46*31mm Net Weight: 202g SKU: C2LE00200 Package includes: 1 * LED Flashlight 1 * 18650 li-ion battery 1 * Charger