Innovic EC30 Multifunctional 4 in 1 Car Digital Clock, In/Out Thermometer, Voltage Monitor with stand and magic tape Indoor temperature range: -20C - +70 Outdoor temperature range: -50C - +70C Total dimensions: 13.5 x 3.5 x 2.5cm Sensor cable length: 1.4m Screen color: backlight orange or blue (selectable)