Lens material: optical convex mirror Working position: 5 files Strong Medium Weak slam SOS Product size: 128*34*27MM Applicable battery: 18650 or 3 section 7 Product material: aluminum alloy Working voltage: 3.7V/4.2v Product color: black Product light cup: no Can you charge directly: No Whether to focus: telescopic focusing Product weight: 81g 【Features】: 1.T6 lamp beads, strong long-range capability, wide illumination range and long battery life; 2. Convex lens piece: Cone lenticular lens sheet, good light transmission performance, not easy to damage, solid aluminum attack head protection lens is not subject to wear; 3. Telescopic zoom: the left and right stretch head can be zoomed, astigmatism-concentrated mode, convenient to use in different situations; 4. Tail switch: natural rubber material, surface anti-slip treatment, tact switch to switch lighting mode; 5. Battery contact: copper-plated cylindrical battery contact design, copper has good electrical conductivity