Round window thermometer with suction attachment at the centre. This window thermometer allows the outside temperature to be read from inside through the window. Mounts directly onto the outside of the window. °C and °F. The design allows air circulation around the thermometer stopping exaggerated readings that may be caused by heat radiation through the glass. Will stand up to 20mm from window.Specifications:Range: -20 to +50° C&FAccuracy: +/- 2.0°CDivisions: 1°CProduct Material: Dial Back - High Impact Styrene Dial Window - Clear Crystal Styrene Hairspring - Bimetal Sensor with Copper Knob.Product Weight: 14gProduct Dimensions: 85mm x 65mm x 12mm