Review on 🌡️ Inkbird ITC1000 Dual Stage Digital Temperature Control Thermostat- Heating Cooling Relay with ℃ ℉ Display for 3D Printer, Freezer, Fridge, Hatching and More (110V) by Corey Krull

Celsius digital thermostat only. Works great, price is right. I use it to turn on and off a lightbulb in a heating box that keeps the box at a constant temperature, but it's perfect for that. It has two power relays 10 amps 120 volts: one for heating, one for cooling. The heater relay switches on (closes the circuit) when the supplied sensor indicates that the temperature is 0.5°C below the set temperature. This setting is adjustable. The relay remains closed until the set temperature is reached. The refrigeration relay turns on (closes) when the desired high temperature is reached to turn on the refrigeration compressor. To protect the compressor there is an adjustable compressor delay value. Four programmable settings: 1. Target temperature (default: 10°C/50°F; adjustable from -50°C to 99.9°C) (-58°F to 211.82°F)2. Difference (how much the temperature falls or rises before the relay closes) (default 0.5 °C); adjustable between .3C and 10C3. Compressor delay time (1-10 min; default 3 min) 4. Temperature calibration value The box is small - fits in the palm of your hand. It is designed for panel mounting. Fits 71mm x 29mm opening. The orange material clicks on the back to firmly press the box into the panel opening. You can remove them if you wish. I've posted an image of the instructions/datasheet but it may not be readable. Too bad we can't publish the PDF. The relays are mechanical, not electronic, and make an audible click when activated. I don't know how many cycles they last. The sensor is located at the end of a two-meter two-wire cable. The sensor itself is about 1/4" in diameter and about 3/4" in length.