Application This thermostat can be used to control an electric heating system such as electric baseboard heaters, electric radiant ceiling heaters and electric convectors. Mounting Vertical Color White Power Method Hardwired Electrical Connections 6.0" (150 mm) tinned copper lead wires Switch Positions (System) °C/°F Switch Type & Switching Action Triac - SPST (single pole-single throw) - Perfect for Silent Switching Accuracy 0.27°-0.9° F / 0.15°-0.5° C (15 sec / 5 min cycles) Dimensions 5.0" X 3.3" X 1.2" / 127 mm x 85 mm x 30 mm Temperature Setting Range 40°-85° F / 5°-30° C Electrical Ratings (min) Minimum Load: 0.83 Amps (resistive only) 200 watts @ 240/60 VAC, 100 watts @ 120/60 VAC Electrical Ratings (max) Maximum Load: 10.4 Amps (resistive only). 2500 watts @ 240/60 VAC, 1250 watts @ 120/60 VAC Sensor Element Thermistor Ambient Temperature Range 32° F to 122° F / 0° C to 50° C Comments Backlit, On-screen heating power indicator.  Minimum & Maximum temperature locks.  Battery-free.  Not to be used on central heating systems or systems that have an inductive load, such as boilers or forced-air furnaces.