Features1With screen to display, and setting by button, easy to operate. 2It is mainly used to control the power assist, can show the consumption of battery, measure the speed of electric bicycle and record the trip distance. 3Lightweight, easy to install and use. 4Mount the set on the handlebar, plug-ins output line (4-core push-male) and operate on the (4-pin plug-female) On the plug. 5Intelligent VLCD-5 instrument is especially designed for electric bicycle.SpecificationFeatures:1.With screen to display, and setting by button, easy to operate.2.It is mainly used to control the power assist, can show the consumption of battery, measure the speed of electric bicycle and record the trip distance.3.Lightweight, easy to install and use.4.Mount the set on the handlebar, plug-ins output line (4-core push-male) and operate on the (4-pin plug-female) On the plug.5.Intelligent VLCD-5 instrument is especially designed for electric bicycle.Specifications:Material: plasticColor: As picture shownSize: Approx. 10.5x7.5cm/4.1x3inWorking voltage: DC 11V-60Vmaximum working current: 70mA(11V) 32mA(50V)Measuring the speed: 1-12 pulses each round of wheelPacking List:1xVLCD-5 Display Instrument1xConnectorPackage List