Model: YC145 BLACK Endurance: 30,000km, 500h Durability: Water P PARAMETER SPECIFICATION:Model: YC145 BLACKAccuracy: V±5km/h, R(1±3%)Endurance: 30,000km, 500hDurability: Water Proof/Dust Proof/Shock ProofWorking Temperature: -20°C~70°CStorage Temperature: -20°C~80°CUnit: PCSpeed Meter: 0-160km/hRPM Meter: 0-12*1000RPMGEAR: 1,2,3,4,5Odometer: 0-999999kmSINGLE ODOMETER: 0-9999KMSpeed Ratio: 1: ...