Feature: 1. 12‑24V Power System: The 3 gauge cluster instrument panel is suitable for a variety of power inputs, which is convenient for users in different scenarios, with strong compatibility. 2. Waterproof And Anti Fog Design: Antifog technology is adopted to ensure the stability and durability of the instrument in high humidity and wet environment, and prolong the gauge life. 3. Durable Material: The instrument panel is made of 316 stainless steel and ABS, which is highly rust resistant and suitable for sewage, fresh water and other environments. 4. Colorful Backlight Design: The instrument panel has a seven color backlight function, which makes it easy to observe at night or in a dim environment and improves the user's experience. 5. Multiple Alarm Functions: With low water level alarm, high sewage level alarm and low voltage alarm, which reminds the user to deal with the problem in time and protects the safety of the equipment. Specification: Item Type: Boat Instrument Panel Material: 316 stainless steel + ABS Opening Size: Approx. 235 x 170mm / 9.25 x 6.69in Technical Parameters: Working Voltage: 12-24VDC Working Current: ≤70mA(24V) Operating Temperature: -30-+75℃ Storage Temperature: -40-+85℃ Water Level Meter Signal Five Groups: 0-190 Ω (Factory Default) 0-180 Ω 10-180 Ω 240-33 Ω 240-30Ω Wiring: 1. Red Wire--+9-32VDC 2. Panel Black Wire - Power Negative (-) 3. Meter Black Wire - (Sensor) Meter function description: 1. Press the Mode button lightly (less than 1 second) - - times, change the backlight color: backlight sequence red (default) - green - blue - white - yellow - yellow green - orange - purple. 2. If you buy a liquid level meter, the meter parameters can be adjusted according to the following instructions: (oil level meter, water level meter, sewage meter) Press and hold the Mode button for 3 seconds to enter the setting mode, the backlight flashes, the pointer stays at the E position, then touch the button again and the pointer will point to different positions, the pointer will point to different positions, the pointer in different positions represents different sensor parameters 3. If the instrument with alarm lamp default settings: oil level meter, water level meter alarm position ≤ 1/8; sewage meter alarm position ≥ 7/8. Panel switch function description: 8 switches respectively control 8 different devices, 8 overload protectors respectively protect 8 switches, and protects the 8 devices at the same time. Characteristic: 12-24V system, waterproof and anti fog, 316 stainless steel, seven color backlight, water level with low level alarm, sewage with high level alarm, with low voltage alarm. Package List: 1 x Boat Instrument Panel1 x Pack of Accessories (5PCS)1 x Manual