[Product model]: TG-SD212 [Lens material]: Optical convex mirror [Working gear]: 3 gears, strong light-low light-flash [Applicable battery]: 18650 battery x1 [Product material]: aluminum alloy [Operating voltage]: 3.7V [Product color]: Black [Can Direct charging]: USB Direct charging direct charging, when charging, the button light is red flashing, full of green always bright [Focus or not]: telescopic focus [Product size]: 147*39 * 29mm [Product features]]: 1. Lamp beads: high-power second-generation T6 lamp beads, strong long-range shooting ability, wide irradiation range, long battery life; 2. Frog eye convex mirror: conforms to the principle of optical design, concentrating strong light and remote shooting, which is convenient for lighting use; 3. Aluminum alloy body: made of high toughness aluminum alloy, strong and durable; 5. Direct charging design: USB Direct charging direct charging design, charging anytime, anywhere. 4. Central switch: natural rubber material, surface anti-skid treatment, touch switch switching lighting mode;