A of products, stronger shockproof, lighter quality and more durable. Blue digital LED display. This series is a fully electronic product with a blue digital LED reader, which can be easily viewed from all angles under all lighting Conditions. Easy to install, with installation instructions. Size: 2 inches table or 52 mm Power: Professional 12V, MAX 0.3A Reading: 40-150 degrees Celsius Warning light: over 100 degrees Celsius Sensor mounting thread: NPT 1/8 Material:ABS+metal colour:black Package Contents: 1 x digital LED water temperature meter 1 x Water temperature sensor (NPT1/8) 1 x cable 1 x knob 1 x English installation instructions Only 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.