A simulation of automotive headlight's design. PR1000 is the most compact and lightweight bike light in the PR series, making it another best choice for road cycling, gravel biking and daily commuting. The light comes with a wired remote button & a battery runtime extension which are versatile for various riding needs. The light is also easy to use with USB-C charging ports and a USB output port.DuaLens optical design for road biking mode: Providing broad close-range floodlight with anti-glare low beam for commuting, no dazzle and glare for oncoming riders and pedestrians HiLo beam system for mountain biking: Providing similar illuminating light or automotive headlight with far reaching high beam and broad close-ranged anti-glare low beam Battery runtime extension: Extend the runtime of the battery by connecting with external power source when the light is in low power for emergency lighting Wired remote button: Change the brightness levels without releasing the grip during riding; Long press to activate maximum output for signalling or emergency needs Standard USB output port: Used as a power bank to charge other USB-powered digital devices when in an emergency IPX8 waterproof and durable anodized aluminium body: Always be ready for extreme weather and riding situations USB-C charging port: Reversible connector to charge the light easily leaving no need to fip around looking for the correct orientation Specifications LED: 2 x high-efficiency white LEDs Battery: 3200mAh/3.7V rechargeable Lithium-ion battery Dimensions: 85mm x 48mm x 27mm Weight: 163g Materials: Front and main body is made from aluminium with Mil Type III Hard Coat Anodizing; the rear part and the handlebar mount are made of durable plasticModeBrightness LevelBrightness (lumens)RunTime (hrs)Max DistanceImpact ResistanceWaterproofLow BeamHigh5002.5140 meters1 meterIPX8Mid3004.8Low15010Eco5020.5Rapid Flashing50036HiLo BeamHigh10001.5Mid5002.2Low2506EmergencyTurbo1400/