The Helix Pro rear LED is a versatile bike light designed to enhance your safety and visibility on the road. Whether commuting in the city or exploring further afield, the Helix Pro ensures you stay seen and safe in all lighting conditions.SpecificationCOB red LEDMax. Lumens: 150LM (FL-1 tested)Max.Runtime: 80 hrs (FL-1 tested)Max. Intelligent operation standby time: 100 hrsBattery Type: Li-PO built-inRecharge Time: 2:30 hrsSize ( W x D x H): 22 x 19.5 x 66 mmWeight: 35gKey Features5 modes: DAY FLASH / STEADY FLASH / FLASH 1 / MODE 1 / MODE 2CNC Aluminum heat sink casingINTELLIGENT OPERATIONIntelligent brightness functionIntelligent motion sensing functionIntelligent parking functionLock ModeAuto safe modeDay flash modeMode memory functionVariable Lumen SystemLow battery, charging and fully charged indicatorAutomatic fully charged cut-off systemSide visibilityWater resistance (IPX 7)Rechargeable lithium polymer batteryUSB Type-C charging cable