Product Details 1. High precise sensor ensures accurate temperature measurement within a wide range for reliable incubation 2. Strong anti-interference and high stability provide consistent temperature control during egg incubation 3. One-way egg lighting function allows easy inspection of eggs before hatching 4. Simple button operation makes the thermostat easy to use for hassle-free experience 5. Error indication shows "EE" and stops heating when sensor fails, ensuring safe operation Specification 1. Material: ABS 2. Size: Approx. 12.2 x 6.5cm / 4.8 x 2.56in 3. Weight: Approx. 169g / 5.96oz 4. Temperature Display Range: 0-99 5. Temperature Resolution: 0.1 6. Output Channels: 1 heating, 1 egg lighting 7. Voltage: 220V EU plug 8. Relative Humidity: Less than 85% 9. Operating Temperature: -20 to 70 Package List 1. 1 x Egg Incubator Thermostat 2. 1 x Power Cord Warm Tips 1. Press set button briefly to enter benchmark temperature setting (default 37.8) 2. Hold set and increase buttons for over 3 seconds to enter temperature calibration 3. Hold increase and decrease buttons simultaneously for over 3 seconds to restore factory settings 4. Press egg lighting button to turn on/off egg lighting function 5. Long-term use may require sensor calibration with accurate thermometer