Specifications BrandCYCLAMITypeSmart Brake Tail LightMaterialABS PCColorBlackSize5 7 3 5 2 5cmNet WeightApprox 34gBattery Capacity600mAhBatteryBuilt In Polymer BatteryCharging MethodType C USB ChargingLamp BeadRed LED Lamp Bead Features 1 Intelligent Light Control Automatically adjusts brightness based on light conditions turning off when idle 2 Brake Sensing Technology Brightens to red for 3 seconds when deceleration is detected alerting traffic 3 Back Saddle Flexibility One stable mounting method to fit various bicycles and preferences 4 Brilliant LED Brightness High intensity LED beads provide excellent visibility at night 5 Precise Battery Indicator Percentage based battery display for accurate power level readings Package includes 1 x Bicycle Taillight1 x Charging Cable1xManual