Rear Light COB LED,Auto Light adjustment,Auto Brake Sensor,Remaining Battery Display,Low Battery Safety Mode,Multiple Modes plus Memory Mode,Functions: High 30Lm, Mid 15Lm, low 5Lm, Flash 30Lm, Breathe Flash, Comet Flash, Intelligent Night, Intelligent Day,Battery: Lithium polymer 3.7v 300mAh ,.
Key Features:COB LED,Auto Light adjustment,Remaining Battery Display,Low Battery Safety Mode,Multiple Modes plus Memory Mode,Functions: High 30Lm, Mid 15Lm, low 5Lm, Flash 30Lm, Breathe Flash, Comet Flash, Intelligent Night, Intelligent Day,Battery:Lithium polymer 280mAh.