1W high power LED aluminium flashlight operated by 1 CR123A battery Features:Anodized aluminum body finished by CNC Machine 1W high power LED, 10 times brighter than high-intensity LEDs(other led are available! Such as luxeon star led) No bulb to burn out: 100,000 hour LED life Using collimator to focus the beam, Up to 25 Lumens Runs continuously for 4 hours on 1 CR123A battery, (Battery non-included) Convenient push On/Off switch in the end taip O-ring sealed and water resistant Product size:9.6cm (L) x 3.3 cm (D)