Features: Water temperature and voltageThe water temperature and voltage in one, material is plastic shell/liquid crystal digital display, voltage is 12-24 (V). The scope of application for car truck refitting instrument. 12-24 (V)Digital voltmeter display- precise 3-bit LED digital display, this 12-24 (V) voltmeter gauge is very easy to read.Water temperature sensing head dia:10mm/0.4inch; 14mm/0.55inch; 16mm/0.6inch; 17mm/0.67inch; 21mm;0.8inch. Two sets of digital displayThis product is displayed by two sets of digital tubes: the lower group shows the supply voltage and the upper group shows the actual temperature. Electronic digital displayElectronic digital display, more clear and intuitive.Accurate, shockproof, low consumption, comfortable.This LCD digital display voltmeter can help you maintain the temperature of your car engine in real time. 2 in 1 This digital 2 in 1 LED Radiator Temperature Gauge is small and portable, it is no problem to put it in your handbag or backpack and take it to your office or anywhere you want to go Specifications: Material:Plastic Color:Black Voltage :12-24 (V) Size(about):62x72mm/2.4x2.8inch(WxL);Water temperature sensing head dia:10mm/0.4inch Package Included: 1pc x Water Temperature Gauge 1pc x Double-sided adhesive 2pcs x Screw Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.