Universal 52mm 3 in 1 Multi-Function Digital Gauge Water Level Waste Holding Tank Indicator Voltmete

Open a 2 inch dimension and 2-1\/5 inch depth hole, put gauge into it and fastenMade of high-quality stainless steel for long-term use even in acid-base, humid environmentA 3-in-1 multi-function digital meter integrating Water Level, Holding Tank, and VoltmeterThe instrument has its own alarm signal, and no need additional alarm signal by the sensor.High brightness LED backlight, high brightness and .Specifications:Water Level: 0-100% (Level sensor: 0-190ohm\/240-33ohm available)Holding Tank: 0-100%Voltmeter: 9-32VAlarm: Symbal flashing(When 2 or more faults occur, an item is reported every 3s.)Degree of Protection: IP67Backlight: TFT ScreenColour:SilverMaterial:stainless steelPackage Contents:1 * 3 in 1 Multifunction Gauge1 * Multi-plug socket1 * Chinese and English manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.