Temperature controlling range:-50℃~99℃
Display resolution:1℃/0.1℃(With the switch mode between integer and decimal )
Accuracy:NTC:±0.5℃(-30℃-50℃),others,±1℃
PTC:±2℃(-30℃-50℃),others, ±3℃
Sensor type:NTC(-50℃~120℃) PTC(-50℃~150℃)

Working conditions:
 Power supply:230VAC±10% 50/60Hz
 Rated current of relays:8A/220VAC
 Ambient  temperature:-15℃~60℃ Relative   humidity:20%~85% (No condensate)
 Storage temperature:-15℃~60℃