Look good from behind. The Blinder ROAD R70 is the rear light for the discerning rider. With side illumination, dual + constant flash modes, and crazy power, you won't find another light with as much brains and beauty. Coming with interchangeable straps (suited to aero post designs) & outputting 70 lumens of light, the Blinder ROAD R70 has got your back, whatever your ride.SPECIFICATIONS Dimensions: 27x75x35mm Weight: 75g Materials: UV-resistant industrial grade silicone rubber body and strap. Polycarbonate housing. PMMA Lens. Anodised aluminium heat sink. Anodised aluminium fascia and solid stainless steel MIM latch. LEDs: 1 x CREE XB-D, 3 x Super bright LEDsBattery: Integrated rechargeable Lithium Polymer. Peak brightness: 70 Lumens 5 Light modes: 1. Steady, 2. Fast flash, 3. Linear flash, 4. Steady 2 LEDs, 5, Eco flash Run-time (steady): Mode 1 - 3.5hrs, Mode 4 (2 LEDs) - 13hrs Run-time (flash): Mode 2 - 4hrs (fast flash), Mode 3 - 4hrs (linear flash), Mode 5 - 20 hrs (eco flash) Waterproof: 100% Waterproof and Dustproof to IP67. Beam angles (degrees): Narrow - 22°, Wide - 80° FEATURES Lens: 1 x TIR Collimating Lens, 3 x Spherical dome lenses. Visible to 1000+ metres Integrated lithium polymer battery with on board battery protection circuit. Rechargeable via built in USB plug and extension cable (included). This saves using about 600 AAA Alkaline batteries during the light's lifetime. Constant current drive technology maintains consistent brightness throughout specified run-time. Integrated USB plug is waterproof and designed not be damaged by exposure. 5 hour charge time Replaceable straps for tool-less attachment, 1 x Short (for Ã¸22-27mm) 1 x Med (for Ã¸27-32mm) 1 x Long (for Ã¸32mm+). Button: New longer button push on (0.75sec) prevents accidental activation of your light. Short presses switch modes continuously. Similarly, the light is switched off with a long button push off (0.5sec). Low battery indicator Tested against dropping, corrosion, UV, electrical shock and static, vibration and impact, temperature and humidity, as well as cycle testing and CE certification.