With Smart Garden's Window Thermometer, keeping track of the outside temperature will be easy. Using the self adhesive pads (included), stick thermometer on the outside of a window facing inwards. This will allow you to see the outside temperature from inside. This thermometer can also be used inside a greenhouse to check the temperature without having to go inside, which may cause some of the heat to escape. With a range of -50°C to 50°C, it will have you covered in any weather. This thermometer does not require batteries.

Dimensions: 8 x 8 x 2 cm