Compass Accuracy of +/- 3 degrees, resolution of 1 degree, Display mode: 360 deg with 9 cardinal point segments * LED backlight screen * Thermometer Accuracy of +/- 2 degrees F/C; Resolution of 1 degree F/C; Temperature format: Degree C or degree F; range from -5 degrees F/C to 50 degrees F/C * Color: Grey and Black; Size: 4.5" x 3.5" / 11.43cm x 8.89cm ; Batteries: 2 x AAA (not included) * HDE® is a registered trademark and is the only authorized seller of HDE branded products