STC-3000 Digital Temperature Switch Controller

Features:
High accuracy and wide measuring range.
Stable performance, supports long time use.
With large and clear display for better readability.
Easy to set. Supports F and ℃ display.
Can control both heating and cooling output.
Has an alarm to indicate sensor failure or high temperature.
Snap-it design, easy to install, no need for screws.
Applied to plant oil stove, hatching device, refrigerator and so on.