What's in the box:

W3230 Mini Digital Temperature Controller LED Display Thermostat Regulator DC 24V 20A Temperature Control Switch Sensor Meter (Black)

Features:
Mini and Powerful: The mini temperature controler can both make heating and cooling contral with wide temperature measuring range from -55C-120C.
Clear LED Display: With red and blue 2 color display,it is easy for distinguish and more convenience for better readability.
Precision Contral: This controller with 0.1 centigrade control accuracy,high Control precision good for domestic freezer, water tanks,etc.
Safe and Reliable: Relay output. All parameters setting can be saved after short circuit.
Widely Application: Can be used for domestic freezer,water tanks,refrigerator,
industrial chiller,steamer,industrial equipment and other,temperature-controlled system.

Specifications:
Material: ABS
Color: Black
Power Supply: 12VDC/24VDC/110-220VAC(optinal)
Temperature Control Range: -55C-120C
Resolution Ratio: 0.1C(-9.9-99.9); 1C(other range)
Color of Displaying: red/blue
Measurement Accuracy: 0.1C
Control Accuracy: 0.1C
Sensor: NTC10K Waterproof sensor
Output: Relay Contact Capacity 10A/220V, 20A/12V
Environmental Requirements: -10-60C , humidity 20%-85%RH
Dimension: 79*43*26mm / 3.1*1.7*1.0"
Cutting Size: 73*39mm / 2.9*1.5"
Item Weight: 43g / 1.5oz
Package Weight: 50g / 1.8oz
Package Size: 80*45*30mm / 3.1*1.8*1.2"

Package List:
1 * Temperature Controller