Brand: LUMINTOP Material: aluminum alloy Whether waterproof: yes Continuous lighting time: 2.5 days Maximum range: 100m (inclusive)-200m (not included) Maximum brightness (maximum luminous flux): 350 lumens and above Battery specifications: 14500(include) Detailed characteristics: 1. Use Cree XP-L HD LED with a lifetime of up to 50,000 hours 2. Powered by 1 AA battery or 14500 Li-ion battery, driving higher brightness 3.Four levels of brightness output plus flash mode, the maximum brightness is 650 lumens 4. Ultra-long battery life, the maximum battery life can reach 2.5 days in energy-saving energy files 5.Tail switch or neck rotation 6. Supports upside down when using a magnetic tail cap (optional) as a candle 7. Compact and lightweight, three colors optional, very convenient for EDC to carry 8. Size: 89.5 * 18.5mm, Net weight: 23.5g (excluding battery) 9. Made of aviation-grade aluminum alloy, the surface has undergone three-level anode hard oxidation treatment, scratch-resistant and wear-resistant 9. IP68-rated dust and water protection, two meters underwater can be used normally