Features: Super mini size, UV Flashlight. Skid-proof design & waterproof design. Adjustable focus range for different usage, stretching to adjust its focus. Clip for convenience carry. Working voltage is wide and can utilize the batteries in the largest extent. Suitable for hunting, cycling, climbing, camping and outdoor activity etc. Uses: money detector, night fishing, according to drift, according to the prayer beads, according to traces of forensic class  of special purpose industries use. Specifications: Colour: Black Reflector: Convex Lens Material: Aluminum alloy Model of LED: Q5 LED Switch:3-Mode Battery: 1 x AA Battery (Not included) Size: 9.4*2.6*2.6cm Weight: 50g Wavelength: 395-400nm Package included: 4 x LED UV Flashlight