What's in the box:

1 X Digital Water Temperature Meter Gauge with Sensor for Auto Car 52mm 2in LCD 40~120Celsius Degree Warning Light Black (Black), Black

Features:
Digital display with black face and blue LED.
Used to measure the water temperature of automobile.
Measurement range is 40~120 Celsius Degree.
Red warning light.
High accuracy and easy operation.

Specifications:
Color: Black
LCD size: 52mm / 2in
Unit: Celsius Degree
Measurement range: 40~120 Celsius Degree
Warning point: 100 Celsius Degree
Power: 12V DC, Max. 0.3A
Sensor mounting thread: NPT 1/ 8 "
Water temperature meter size: 5.7 * 5.5cm / 2.2 * 2.2in (diameter * height)
Water temperature meter weight: 72g / 2.5oz
Package size: 17 * 12 * 7.8cm / 6.7 * 4.7 * 3.1in
Package weight: 215g / 7.6oz

Package including:
1 * Water Temperature Meter
1 * Water Temperature Sensor