Specification: - Name: Tachometer - 7 Colors Backlight - High Precision - Size: 85mm - Signal: Pulse - Working Voltage: 9-32VDC - Working Current: - Backlight: 7 Color Backlight - Engine Hours: 0.0-99999.9H - Working Temperature: -30-70C - Storage Temperature: -40-85C - Waterproof and Dustproof Rating: IP67 - Functions: Current Tacho/RPM and Hour - Operation Mode: LCD Display, Stepper Motor - Tachometer fits for Car, Truck, Boat, Diesel Generator Engine, Gasoline Engine Feature: - Waterproof: IP67 - Excellent anti-fogging function; - With curved glass (with anti-fog function) - 316 Stainless Steel Bezel with curved glass; - Convenient installation with multi-plug socket connection; - Backlight colors: red, yellow, orange, green, blue, purple, white; customers can adjust preferred color; - Tachometer fits for Car, Truck, Boat, Diesel Generator Engine, Gasoline Engine Package Included: 1 x Boat Tachometer 1 x Cable 1 x Installation Kit Sensor Specification: - Name: Tachometer Gauge Sensor - Used for Gear Rotation Speed Measurement - Features stable signal, wide operating temperature range, compact size, simple assembly - Signal Duty Factor: 475% - Output Signal: Sine Wave - Operating Temperature: -40 to 85C - Inductance Distance: Less than 1mm - Tooth Module: 26 - Connection Type: Two-Wire - Protection Rating: Waterproof IP67 Note: Two sensor models available: 78.2mm x 18mm (L x W) and 78.2mm x 16mm (L x W) Package Included: 1 x Tachometer Gauge Sensor