Specifications Hign-concerned Chemical:None Special Features:Speed Indicator Item Diameter:9.5cm Item Weight:0.3kg Item Height:8.5cm Item Width:9.5cm Item Length:16.5cm External Testing Certification:iso9001 Model Name:Motorcycle Odometer Speedometer Origin:Mainland China Material:stainless steel shell DC 12V Universal Motorcycle Speedometer Odometer Motorcycle Dual Speed Meter with LED Indicator Speedometer Gauge 0-140km h Specification: Color:Silver Black Size:show as below pic black--instrument board light negative electrode(-) , red--instrument board light positive electrode( ) Material:Stainless Steel Shape:Circle Voltage: 12V Odometer measurement : 0-140km h Speedometer unit: km h Feature: 1. 100% Brand new and high quality. 2.So Compact and Durable 3.Easy to Install 4.General mechanical speed line interface. 5.With a highlight back Light. 6.High capacity and practical. Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 3. Instruction is not included. Package included: 1 X Motorcycle Dual Odometer