Easy to use: Features a thermal detection probe and LCD screen for clear temperature display. Multi-function: Supports cooling, heating, calibration, temperature adjustment, compressor delay, and alarms. Memory function: Automatically saves settings in case of power failure. Stable and precise: Maintains ideal temperature range with 0.1��C resolution and ��1.0��C accuracy. Wide application: Suitable for aquariums, reptile habitats, incubators, greenhouses, and refrigerators. Specifications: - Control range: 16~40��C - Measurement range: -40~100��C - Compressor delay: 0~150 seconds - Resolution: 0.1��C; Accuracy: ��1.0��C - Input voltage: 220VAC ��15% - Relay capacity: 230VAC, 10A max (resistive load) - Inductive load: 275W/220V - Resistive load: 1100W/220V - Operating conditions: -10~60��C, 20%~85% humidity (non-condensing)