Features： 1、Bike computer set, include a 350 lumens front bike light with speedometer, and 120DB bike bell. 2、USB intelligent chargings mode, built-in lithium battery, USB interface suitable for a variety of chargings mode. 3、LED display, can display the power, can connect the wired code meter, observe the speed. 4、Omnidistance record, one way record, top speed, average speed, ride time, five different modes. 5、Four lighting modes: strong light, weak light, flash light and yellow light, suitable for different road conditions. 6、T6 high light bead, anti-dazzle design, improve overall lighting brightness. Long range, longer life. 7、Life rainstorm grade waterproof, heavy rain can be normally used. 8、The speaker has six sound modes to switch with one click. Specification： This is a versatile bicycle light that can be connected to a wired meter and horn. There is also a taillight in the Type 1 set. Features: Bike computer set, include a 350 lumens front bike light with speedometer, and 120DB bike bell. USB intelligent chargings mode, built-in lithium battery, USB interface suitable for a variety of chargings mode. LED display, can display the power, can connect the wired code meter, observe the speed. Omnidistance record, one way record, top speed, average speed, ride time, five different modes. Four lighting modes: strong light, weak light, flash light and yellow light, suitable for different road conditions. T6 high light bead, anti-dazzle design, improve overall lighting brightness. Long range, longer life. Life rainstorm grade waterproof, heavy rain can be normally used. The speaker has six sound modes to switch with one click. Specifications: Color: Type 1, Type 2(optional) Type 2: blue, red, black, silver  (optional) Battery: 12.0V 1500mah Light: 350 lumens Material: ABS Endurance: 3-5 hours Item size: 105 * 41 * 41mm / 4.1 * 1.6 * 1.6in Item weight: 100g / 3.5ounce Package size: 107 * 71 * 58mm / 4.2 * 2.8 * 2.3in Package weight: 168g / 5.9ounce Packing List: Type1: 1 * Rubber Base 1 * USB Cable 1 * Speedometer 1 * Speedometer Connector 1 * Front Light 1 * Rear Light Type2: 1 * Rubber Base 1 * USB Cable 1 * Speedometer 1 * Speedometer Connector 1 * Front Light Package List： Type1: 1 * Rubber Base 1 * USB Cable 1 * Speedometer 1 * Speedometer Connector 1 * Front Light 1 * Rear Light Type2: 1 * Rubber Base 1 * USB Cable 1 * Speedometer 1 * Speedometer Connector 1 * Front Light