Features: There are 3 different types, 12/24/220V, selecting based on your needs. Double temperature controller, one controller for 2 usage. Wide temperature control range from -50 to 100. High temperature control precision of 1. 1 meter waterproof NTC10K probe is equipped for convenient usage. Widely used in the hatching area, incubation, equipment for case, air conditioning system, temperature control for protection, cabinet cooling system and other fields. Specifications: Material: ABS Size: 76X55X31mm/2.99x2.16x1.22in Standard: 12/24/220V(optional) Temperature Measurement Range: -50~100 Temperature Control Precision: 1 Temperature Measurement Accuracy: 0.1 Measuring Input: NTC10K 1m waterproof probe Package Includes: 1x Temperature Controller note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.