Temperature measuring range:

NTC:–50~110°C (-58~230°F); 

PTC:–55~140°C (-67~284°F) ;   

Temperature controlling range: -5°C~55°C(23~131°F) 

Working voltage: 230VAC±10%, 50/60Hz; 

Resolution: 1 or 0.1°C; 

Sensor: NTC(10KΩ/25°C,B value 3435K)   

            PTC(990Ω/25°C,KTY81-121) 

Compressor relay output: 8A 

Defrost relay output: 8A 

Fan relay output: 8A 

Digital display: three digits +minus zone + status zone(refrigeration,defrost,fan and alarm)