Features 1. Equipped with rev alarm, oil pressure alarm, temperature alarm, and engine failure alarm functions. 2. Constructed from 316 stainless steel, PVC, and ABS materials, designed for long-term durability even in acidic, alkaline, and humid environments. 3. IP67 rated for waterproof and dustproof performance, featuring curved glass with anti-fog properties, ensuring reliable operation in adverse weather conditions. 4. Suitable for a wide range of applications including engine and generator sets, marine vessels, construction machinery, agricultural equipment, and automotive modifications. 5. Designed with low power consumption, high accuracy, and extended service life. Features ultra-wide operating voltage range: 932V DC, with maximum voltage up to 36V. 6. Harness connector includes a secure snap-in design to maintain stable connection and ensure reliable gauge performance under strong vibrations. 7. Each gauge comes with a detailed product manual providing clear instructions for installation, wiring, and operation to ensure proper usage after purchase. Specification Condition: Item Type: Tachometer Material: 316 Stainless Steel, ABS, PVC Installation Diameter: Approx. 85mm (3-3/8in) Indication Range: 07000 RPM Working Voltage: 932V DC Connection Type: Row Insert Backlight Color: Red Operating Temperature: -30C to 75C Storage Temperature: -40C to 85C Protection Rating: IP67, back cover IP5 Applicable Engine Type: Compatible with Suzuki engines Wiring Connection: Red wire to positive, blue wire to negative, black signal wire to engine sensor, orange backlight wire to positive Installation Instructions: 1. Cut a 85mm diameter hole in the panel (dashboard or cabin board). Insert the gauge into the hole. Align the instrument with the marked position on the panel and cut a small notch to ensure at least 85mm (3-3/8in) clearance behind the instrument. 2. Secure the gauge in place using the included fixing ring. 3. Connect the wires. The instrument housing connects directly to a 12/24V power supply. 4. Insert and lock the wire harness securely into the gauge. Package List 1 x Tachometer 1 x Manual