Nitenumen TK35 1120 Lumen USB Rechargeable CREE XM-L2(U2) LED Tactical Flashlight:Powerful Light Super Bright Waterproof Torch,3400mAh 18650 Rechargeable Li-ion Battery,USB Charging Cable
Click tail switch to adjust the brightness: low - highlight – flashing ( gear-three mode )
When the battery charging,the red light flashes once every 1.5 seconds. When the charge is completed,it automatically stops charging and then the indicator light turns blue.
The external structure: it is made of the aviation aluminum with anti-rolling and anti-slipping design. Its surface is processed with the anti-wearing treatment of hard anodizing in three-grade army regulations.
Anti-reverse connection design which can prevent the battery being reversed and endangering the circuit.
The flashlight onle support 18650 batteries,not other batteries.