Specification:<br> - Name: Tachometer<br> - 7 Colors Backlight<br> - High Precision<br> - Size:85mm<br> - Signal : Pulse<br> - Working voltage: 9-32VDC<br> - Working current: - Backlight :7 Color backlight<br> - Engine hours: 0.0-99999.9H<br> - Working temperature: -30-70<br> - Storage temperature: -40-85<br> - Waterproof and dustproof grade IP67.<br> - Functions: current tacho/RPM and hour<br> - Operation mode: LCD display, stepper motor<br> - Tachometer fit for Car /Truck/ Boat /Diesel<br> Generator Engine /Gasoline Engine<br> Feature:<br> - Waterproof:IP 67<br> - Excellent anti-fogging function;<br> - With curved glass( with anti-fog function).<br> - 316 Stainless steel bezel with curved glass;<br> - Convenient Installation by multi-plug socket connecting way;<br> - ( red,yellow,orange,green,blue,purple,white ), customers can adjust any color that you like<br> - Tachometer fit for Car /Truck/ Boat /Diesel Generator Engine /Gasoline Engine<br> Package Included<br> 1 X Boat Tachometer<br> 1 X Cable<br> 1 X Installation<br> Sensor Specification:<br> 1].Name: Tachometer Gauge Sensor<br> [2] Use for Gear Rotation Speed Measurement<br> [3] Combining The Advantages of Stable Signal, Wide Range of Operating Temperature, Small Size, Simple Assembly, Etc<br> [4] Signal Duty Factor: 47±5%<br> [5] Output Signal: Sine Wave<br> [6] Operating Temperature:-40 to 85<br> [7] Inductance Distance: Less Than 1mm<br> [8] Tooth Module: 2~6<br> [9] Connecting Way: Two Wires Connecting<br> [10] Protection Rank:Waterproof IP67<br> Please attention:<br> Please attention we have 2 model sensor size: 78.2mm*18mm (L*W) ,<br> 78.2mm *16mm(L*W)<br> Package Included(as picture):<br> 1X Tachometer Gauge Sensor