Feature 1Multifunctional: Double probe, can detect indoor and outdoor two temperature, Celsius, Fahrenheit temperature conversion, with clock function. 2High Quality Material: Car temperature digital clock is made of high quality ABS material, wear resistant, anti aging and durable. 3Excellent Performance: Professional manufacturing, high accuracy, stable performance and high reliability, have a long service time. 4Temperature Measurement Range: Indoor temperature measurement range is 30 +50, and the outdoor temperature range is 50 +70. 5Convenient: Driver can easily and conveniently know the time and temperature to arrange the driving time appropriately, more practical.Item Type: CarTemperatureClockMaterial: ABSFunction: Double probe, can detect inside and outside two temperature, Celsius, Fahrenheit temperature conversion, with clock functionTemperatureMeasurementRange: Indoor temperature -30 - +50, outdoor temperature -50 - +70Accuracy: 1 Power Supply: AAA battery (750mAH) x1 (shipped without battery)Display Size: Approx. 33x12mm/1.30x0.47inOutdoor Extension Line Length: Approx. 1.5m/4.92ft .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x CarTemperatureClock1 x User Manual