A. A black ABS thermostat stc-1000-220V with digital display, which can automatically switch between hot and cold. Its size is about 7.5 x 8.5 x 3.5cm. B. STC-1000--110 - 220V C. Color: Black D. Applications: It can be used in aquariums, terrariums, vivariums, and chicken incubators. E. Temperature Measuring Range: Approximately -50 - 90 Deg.C F. Control temperature range: Approximately -50 - 90 Deg.C (adjustable) G. Control temperature difference: Approximately 0.3 - 10 Deg.C (adjustable) H. Resolution: 0.1 Deg.C I. Accuracy: Approximately +/- 1 Deg.C (-50 - 70 Deg.C) J. Sensor: NTC sensor K. Sensor error delay: About 1 minute L. Relay contact capacity (Heating): Up to 10A (max) 250 V M. Relay contact capacity (Cooling): Up to 10 A (max) 250 V N. Compressor delay protection time: Approximately 1 - 10 minutes (adjustable) O. Operating Temperature: Approximately 0 - 60 Deg.C P. Storage Temperature: Approximately -30 - 75 Deg.C Q. Operating Relative Humidity: Approximately 20 - 85 % (No condensation) R. Alarm Output: Buzzer S. Power Supply: 220V T. Power consumption: Less than 3 W U. Cable length: About 1 M V. Package Contents: 4 thermostats W. Only the above package content is included, other products are not. X. Note: Light and different displays may cause the color of the item in the picture to be a little different from the real thing. The allowed measurement error is approximately +/- 1 - 3cm.