Specifications: Front Light: * Material: PC+ABS * Output (Maximum): 300lm * Lighting Distance: 30-50meters at night * 3 Working Modes: All lighting - Half lighting-Strobe * Power Source: 800mAh Li-Poly Battery * Charging Time: Approx.3hours * Fit Handlebar: 20-40mm(approx) * Dimension: Approx.65*29*23 mm * Light Source: XPE 3W LED * Color: Black (as pictures show) * Light Color: White(as pictures show) Rear Light: * Dimensions: Approx.7.5*3*2cm * Bulb Type: LEDs * Brightness: 15 lumens * Color: Red(as pictures show) * Mounting Placement: Bicycle Seat Post * Suitable Tube Diameter: Approx.12-32mm Package contents: 1* Bike Front Light 1* Bike Rear Light 1* USB Charging Cable