Feature:1. Multifunction: Electric bike LCD display has multiple functions, controlling the whole electric bike system after the conversion.2. High Quality Material: Electric speed meter is made of high quality ABS material, wear resistant, sturdy and durable, normal use in ‑20℃ to 60℃ temperature.3. LCD Display: LCD electric display control, clear display, can observe the data of the electric bike at any time.4. Wide Application: Electric bike lcd display control is suitable for electric bicycles, mountain bike, scooters, etc.5. Easy Installation: Easy to install, no modification is required, convenient for using, save your time and energy.How to Use:Linear definition:① Red line instrument power supply② Black wire instrument ground wire③ Blue line communication transmission (TX)④ Green line communication reception (Rx)⑤ Yellow line controller switch lock⑥ White line headlamp power supply⑦ Thick black ground wireSpecification:Item Type: Electric Bicycle Speed MeterMaterial: ABSVoltage: 24/36/48/52/60V Package List:1 xElectric Bicycle Speed Meter1 x User Manual