1. A black ABS thermostat stc-1000-220V digital display, with automatic switching between hot and cold, dimensions 7.5 x 8.5 x 3.5cm. 2. STC - 1000--110 - 220V 3. Color: Black 4. Applications: Aquarium, Terrarium, Vivarium, Chicken Incubator 5. Temperature Measuring Range: -50 - 90 Deg.C 6. Control temperature range: -50 - 90 Deg.C (adjustable) 7. Control temperature difference: 0.3 - 10 Deg.C (adjustable) 8. Resolution: 0.1 Deg.C 9. Accuracy: +/- 1 Deg.C (-50 - 70 Deg.C) 10. Sensor: NTC sensor 11. Sensor error delay: 1 minute 12. Relay contact capacity (Heating): 10A (max) 250 V 13. Relay contact capacity (Cooling): 10 A (max) 250 V 14. Compressor delay protection time: 1 ~ 10 minutes (adjustable) 15. Operating Temperature: 0 - 60 Deg.C 16. Storage Temperature: -30 - 75 Deg.C 17. Operating Relative Humidity: 20 ~ 85 % (No condensation) 18. Alarm Output: Buzzer 19. Power Supply: 220V 20. Power consumption: Less than 3 W 21. Cable length: 1 M 22. Package Contents: 4x thermostat 23. Only the above package content, other products are not included. 24. 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 +/- 1 - 3cm.