2in Battery Voltage Gauge LED Digital Display IP67 Waterproof Smart Alarm for Boat Auto

Made of 316 stainless steel, rustproof and anti‑fog, flame retardant. Wide application, suitable for car and boats, which is a practical accessory. 8V‑32V indicating range, and with smart alarm, the alarm is red alarm light flashing. Condition: 100% Brand New Item Type: Voltage Gauge Material: 316 Stainless Steel Optional Type: White, Black Applicable : Suitable for car and boats Waterproof Rating: IP67 Diameter: Approx. 52mmCelsius2in Working Voltage: 9V-32V Indicating Range: 8V-32V Alarm Mode: Red Alarm Light Flashes