Specifications:
Lamp: Cree XR-E Q5 LED (Cree XM-L T6/XP-G R5 are also available)
Burn time: over 100,000 hours
Output mode: one mode (two/three/five modes are also available)
Voltages: 1 to 4.2V
Batteries: 1 x 16340
Packaging: gift box/neutral white box
Weight: 34.5/41g (excluding battery)
Size (H x B x T x L): 22 x 22 x 22 x 82mm
Lumen: 300 to 320lm
Features:
Aluminum vacuum coating reflector OP
T6061 durable aircraft-grade aluminum, anti-corrosive anodized housing
Digitally regulated output, maintains constant brightness and memory function
Reverse polarity protection to protect from improper battery installation
Toughened ultra-clear glass lens with anti-reflective coating
Click on/off tail cap switch
Waterproof for daily use