Captain Stag Bicycle 280 2000 candela 3 lighting no tools required for IPX4 heat and cold Headlight, LED, LEDs, brightness, modes, installation,

---------------------------------------------------------------------- Product size: (approx.) 36mm W x 37mm H x 102mm D (excluding bracket), Mountable size: Handlebar outer diameter / (approx.) Φ19.0-25.4mm, Product weight: (approx.) Headlight / 54g, Bracket / 8g (including anti-slip pad) Set contents: Headlight x 1, Bracket x 1, Anti-slip pad x 1 Light source: 1 white LED (280 lumens); Brightness: High: approx. 2000 candelas (20 lux), Low: approx. 1000 candelas (10 lux), Flashing: approx. 200 candelas (2 lux) *Center luminous intensity at approximately 10m; *Default value when using alkaline batteries Power supply: 4 AAA batteries (sold separately); Light duration: Continuous high / (approx.) 30 hours (2 hours until brightness halves); Continuous low / (approx.) 30 hours (4 hours until brightness halves); Continuous flashing / (approx.) 60 hours (30 hours until brightness halves); Operating temperature range: -10 to 80°C; Waterproof performance: IPX4 compliant Material: Lens: methacrylic resin (side: polycarbonate), case: polycarbonate, LED unit: ABS resin, battery holder: ABS resin, bracket: polyacetal, Country of origin: China