Material: ABS+Silicone Place of Origin: Zhejiang Product weight: 281g, packaging size 17*9.5*9.5cm Charging mode: Multi-function charging Applicable environment: Daily carry, camping, hiking, night riding, caving Maximum range: 50m and below Continuous lighting time: 3-8 hours Is it waterproof: Daily waterproof Whether focus can be adjusted: No Is it rechargeable: Rechargeable Packing quantity: 62PCS Maximum brightness and maximum luminous flux: 450 lumens and Gear: 4th gear Box size: outer box dimensions 50*52*39.5cm, gross weight 18.2KG 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