The Cateye Volt 400 Duplex Helmet Light is the underlining light when it comes to quality and value for money. Cateye products undergo the most stringent QC tests in the industry, many of which exceed the requirements of CE. Also used in the Japanese auto industry, Cateye’s testing equates to a return rate of less than 0.9% across the brand.Cateye Volt 400 Duplex Helmet Light FeaturesOPTICUBE LENS TECHNOLOGY -Cateye maximise the best beam pattern from any LED, utilising superior lens and reflector technology to emit a higher quality light and beam pattern in front of the rider, even with lower Lumen amounts.LONG PRESS TO TURN ON & OFF -A feature appreciated by consumers to prevent accidentally switching on lights and losing battery power. This feature also ensures that a light is not accidentally turned off during a ride.INTEGRAL HEAT DISSIPATION -Superior heat dissipation maximises the lumen power of the light for consistency of lumen output.NEVER CYCLES THROUGH THE OFF MODE -Cateye was the first to introduce this feature. Designed to avoid the rider being accidentally left in complete darkness while changing beam modes.FRONT LIGHT FEATURES -Double-click to high (headlights 400 Lm and above) to achieve maximum brightness instantly without cycling through modes; double-click to flashing (headlights up to 200 Lm) to quickly cycle between constant and flashing modes, ideal for commuting use.REAR LIGHT FEATURES - True 180-degree visibility; battery auto-save, automatically changing to flashing mode to allow more time to finish the ride as opposed to being left in the dark.Cateye Volt 400 Duplex Helmet Light SpecificationsA powerful front & rear helmet light. See and be seen.USB Li-ion cartridge rechargeable batteryLightweight – only 110gWide mounting strap with angle adjustmentRecharging time: 6 hrsMode: Output, RuntimeFRONT: 400 Lm - 50 LmHigh: 400 Lm, 3 hrsMid: 100 Lm, 10 hrsLow: 50 Lm, 18 hrsHyper Constant: 400 Lm, 9 hrsFlashing: 50 Lm, 150 hrsREAR: 10 LmConstant: 25 hrsFlashing: 250 hrs