Outside Window Thermometer - Read Outdoor Temperature From Indoors With This Stick On Window Thermometer Outdoor easy to stick on window thermometer to glass to measure the outdoor temperature. This outdoor window thermometer can also be used as a greenhouse thermometer by sticking to the glass on the inside and viewing the indoor temperature from outdoors. Temperature Range: -20 to +50C&F Product Dimensions: 85 x 65 x 12mm Easy to fix on an outside window Simple, clear and easy to read temperature scale.
eBay