1Acquisition of analog signals and convert to NMEA2000 networks parameters. 2Up to 18 sensors parameters can be collected, which is practical to use. 31?128 speed ratio adjustable range, high reliability and stable performance. 4IP67 waterproof, it can withstand harsh marine environment, long service life. 5Wide application, practical accessory suitable for boats and yachts.1 x Screwdriver1 x Manual1 x ConverterCondition: Brand New_x000D_Item Type: NMEA2000 Converter_x000D_Material: ABS_x000D_Color: As picture shown_x000D_Size: Approx. 100 x 68 x 50mm/3.9 x 2.7 x 2in_x000D_Application: Suitable for boats and yachts_x000D_Sensor Parameters:_x000D_Speed Ratio Adjustable Range: 1-128_x000D_Engine Tlt/trim: 0-190_x000D_Oil Pressure: 10-184ohm(0-10bar)_x000D_Tepmerature : 301-22ohm(40-120)_x000D_Rudder: 0-190ohm_x000D_Fuel Level: 0-190ohm_x000D_Freshwater Level: 0-190ohm_x000D_Wastewater Level: 0-190ohm_x000D_Working Environment:_x000D_Operating Voltage: 9-32VDC_x000D_Power Consumption: