... 1.With smart,mini shape 2.Stable 3.High accuracy Sensors (USA) Blue Car Digital Thermometer Temperature Meter in&out* ModelRangeResolutionAccuracy Power supplyDimension ... ±2 DC5V48*26*22AD590Panel cutout size:46*23mm *Easy operation,high quality,most smartest super-mini shape ,reasonable price* Sensor: ... one in China in the same year. waterproof Blue Car Digital Thermometer Temperature Meter in&out