Material: ABS+Silicone Place of Origin: Zhejiang Product weight: 98.7g, packaging size 5*5*17.5cm Charging mode: Multi-function charging Applicable environment: Daily carry, camping, hiking, night riding, caving Maximum range: about 50M Continuous lighting time: 2.5 hours Is it waterproof: Daily waterproof Whether focus can be adjusted: No Whether rechargeable: Rechargeable, 400mAh built-in battery Packing quantity: 200PCS Maximum brightness and maximum luminous flux: 50 lumens and above Gear: 4th gear Box specifications: outer box size 56*37.5*55cm, gross weight 19.8/20.8KG This product has a built-in lithium battery and comes with a charging cable. Charging time is approximately 3-6 hours to avoid overcharging Regarding logo printing: Minimum order of 10 items for logo Type of light bulbs and accessories: LED Outdoor Sports: Fishing, Road Trips, Hiking, Camping, Diving Battery specifications: 18650