OLED (Organic LED) Temperature Meter is designed to withstand constant vibration and the rigors of a wet marine or dusty outback environment. Monitors temperature on a bright, waterproof, daylight readable OLED screen. High contrast and resolution make this screen visible from a wide viewing angle, even with polarized sunglasses. Reverse polarity protected. Injection molded nylon construction. Includes a prewired temperature sensor with a 6? cable. IP66 rating. Description Temp Meter A 1-7/16" B 3/4" C 1-1/8" Volts 12-24