1、The shell made of quality aluminium alloy material, anti-drop, seamless, with thickened waterproof rubber ring. 2、Large power light chip, no light spot, low color declines, energy saving, long service time. With two light, blue light, white light. 3、Suitable for outdoor, household, emergency, night fishing, aquarium biological growth, riding lighting, etc. 4、Mechanical telescopic zoom, can easily adjust the size of the light source. 5、Precise CNC grooves in the flashlight body, non-slip, not easy to loosen. 6、Rechargeable, can also be used with batteries. Item type: Aquarium Flashlight Condition: 100% brand new Material: aluminium alloy Weight: Approx. 288g Product Color: As picture shown Lighting color: blue light, white light Lamp chips quantity: 2 pcs Battery capacity: 4,800 mah Battery model: 18650 Work time: about 2-6 hours Zoom or not: telescopic zoomSwitch design: tail switch 1 x Flashlight(included lithium battery) 1 x Battery compartment 1 x Battery protective cover 1 x Charger