* Item title: Ultrafire U4 MCU CREE XR-E 7090 Q5 WC AAA 123A 17670 18650 Battery Max 240 Lumens 3 Modes LED Flashlight
* Model: U4
* Color: Black
* Material: Durable Type III hard anodized finish 6061T aircraft Aluminum
* Lens: High quality toughened clear optical glass lens with AR coating
* Reflector: OP Aluminum reflector
* Bulb: CREE XR-E 7090 WC Q5 , max ( manufacturer rated ) 240 lumens output with white flood beam
* Lifespan: Average 8,000 hours
* Runtime: 1.5-5.5 hours( depends on battery capacity and mode selection )
* Mode( output level ): 3 modes: illumination, 50% brightness, flash
* Operate voltage: 3.0V-8.4V
* Operate current: 450mA-750mA
* Battery( not included ): 1 x 18650 3.7V battery, 1 x 17670 3.6V battery, 2 x CR123A 3.0V batteries, 2 x LIR / ICR 123A 3.0V batteries, 2 x 16340 batteries, 3 x AAA 1.5V batteries
* Switch: End tail cap clickie on / off switch with momentary function
* Size( mm ): 130( length ) x 41( head diameter ) x 27( body diameter )
* Net weight( g ): 152
* Designed to mount on certain hand pistols, rifles and shotguns with proper mounting equipment
* Waterproof to IPX-8 Standard, it is ok to be used in rainly days
* Capable of standing up securely on a flat surface to serve as a candle
* Step down constant current driver, high efficiency with dual mode DC-DC regulator( PWM / PFM ). Replace battery when the light is too dim
* Suitable for Self-defence, cycling, caving, climbing, camping and other outdoor activities......