- Features a Cree Q5 LED Emitter - 5-Mode Clicky Switch: Mid > Low > High > Fast Strobe > Slow Strobe - Input Voltage: 3.6V~9V (1 x 18650 recommended) - Glass lens with Aluminum Reflector Uses CREE C2 Q5 LED bulb. - Uses one 18650 or two 3.0 CR123A / 3.6V RVR123A batteries. - Glass lens. - Aluminum textured(OP) reflector. - Aluminum built. - Single mode Rear clickly switch. Dimensions: 5.2 in x 1.61 in x 1.61 in Power consumption: 4.2V @ 920mA 6.0V @ 640mA 7.2V @ 580mA Tested with: one Ultrafire Protected 18650 3.7V 2400mAh battery Overall output (max): 7010lux 1 meter output: 6490lux Duration: 150 + minutes<img src="http://112.74.112.28/down/products/110020/110020_000.jpg">