Smart to control temperature .widely used for heating mat, homebrew, greenhouse, aquarium, aquaculture etc.Smart temperature controller. By setting and stop temperature, this plug in temperature controller socket will automatically switch heating and cooling modes and control the heating/cooling equipment to work.Big LCD display. The LCD display is able to show the temperature control mode , and stop temperature more easily.Temperature correction function, screen lock protection function, memory function: all current settings will be saved after off.Colour:blackMaterial:plasticSize:9.7 x 9 x 5.4CM Package Contents:1 * thermostatOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.