Faithfull Thermometer Dial Max- Min

This Faithfull bi-metal dial thermometer is mercury free and indicates the maximum and minimum temperatures reached. This thermometer is ideal for gardeners to check minimum temperatures, in either the greenhouse or garden, when frost may be a problem and to check the maximum temperature during the daytime. It can be wall mounted and suitable for indoor and outdoor use with the following range: -30° C to +60° C / -20° F to +140° F.