52mm/2in Water Gauges 932V Smart Alarm for Marine Boat RV 0190ohm Europn Sensor

0190ohm Europn standard signal input, which has stable performance. Highquality 316 stainless steel, ABS and PC materials, waterproof and antifog, flame retardant. With NaIntelligent alarm, alarm value <13, more to use. Condition: 100 Brand New Item Type: Water Gauge Material: 316 Stainless Steel + ABS + PC Applicable : Motor Homes, Ships, Yachts Size: Approx. 52mm/2in Alarm Mode: Red Alarm Light Flashes Alarm Value: Wiring: 1. Black Wire: Negative power supply 2. Red Wire: 12/24 (v) 4. Yellow Wire: Backlight