Feature:1. Using P50 lamp beads, the brightness can up to 2000LM, super long life, telescopic zoom, flood mode and concentrating mode2. Four light‑emitting gears, one‑key free switching, long press the switch toturn on the SOS flash, to meet your lighting needs in different scenes3. USB charging design, smart circuit, compatible with various charging methods, computer, power bank, car can be charged, convenient and practical4. Aluminum alloy barrel, simple and elegant, stylish appearance, sturdy and durable, IPX45 waterproof design, rainproof, safe to use outdoors5. Wide range of applications, suitable for outdoor, adventure, tourism, etc., can also be used as an emergency flashlight for families and carsHow to Use:1. Open the back cover of the flashlight and install a 18650 rechargeable lithium battery (not included)2. The flashlight button controls the light to turn on, the light mode, four levels, strong light‑medium light‑low light, long press the switch to turn on the SOS flash3. USB charging, can be used with computers, power banks, vehicles, mobile power supplies, etc.4. IPX45 waterproof, waterproof for life, not soaked in waterSpecification:Item Type: FlashlightProduct Weight: Approx 144g/5.1ozProduct Size: 14.5 x 3.7 x 2.5cm/5.7 x 1.5 x 1.0in (No Zoom), 16.2 x 3.7 x 2.5cm/6.4 x 1.5 x 1.0in (After Zoom)Product Material: Aluminum AlloyProduct Model: 601 FlashlightProduct Color: BlackLamp Beads: P50 (Round Lamp Beads)Voltage: 5VWork Rate: 20WLuminous Flux: 2000LM