* Item title: Ultrafire K4-MCU CREE Q5 240 Lumens 3-Mode AAA 123A 18650 Battery LED Flashlight
* Model: K4
* 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: 1.5-4.5 hours( depends on battery capacity and mode selection )
* Mode( output level ): 3 modes: illumination, 50% brightness, flash
* Operate voltage: 2.8V-6.2V
* Operate current: 300mA-6750mA
* Battery( not included ): 3 x AAA 1.5V battery, 1 x 18650 3.7V battery, 1 x 17670 3.6V battery, 2 x CR123A 3.0V batteries
* Switch: End tail cap clickie on / off switch with momentary function
* Size( mm ): 128( length ) x 33( head diameter ) x 26( body diameter )
* Net weight( g ): 150
* 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......