Heat Mat Thermostat Upgraded Digital Temperature Controller for Seed Germination Reptiles and Brewing Breeding Incubation Greenhouse Digital Thermostat with 40-108F LED Display 6 Feet Probe Length

How to use the thermometer 1.Plug in the thermostat controller; 2.Press and hold the "SET" button for 3 seconds to enter the temperature selection mode; 3.Press and hold "UP/Down button" to adjust the tempreture; 4.Press and hold "SET" button again to select the displayed temperature as the target. How to Switch ?/?? Press and hold the DOWN button for 3 seconds entering Celcius; Press and hold the UP button for 3 seconds entering Fahrenheit. Specifications Max Load:1000 Watts Max Amps:8.3A 120V Input& output voltage Temperature control range: 40-108f (5-42 ?) Temperature display range: 32-140?(0-60 ?) Includes power and load Indicator lights Includes 3 prong grounded electrical plug