Features: LCD blue tape crystal display Can set differential of refrigeration and heating separately Backlit auto shut down without operation for 10 minutes Parameters: Temperature measuring range: -40~100°C Temperature controlling range: 16~40°C Resolution: 0.1°C Accuracy: ±1°C Power: 220VAC±15%,50/60HZ(Optional: 110VAC) Input: 1 NTC sensor(waterproof) Sensor wire: approx. 1m (standard) Output: two relays output (Relay capacity: 5A or 10A optional) Plug and power strip: AU standard(Optional: EU, USA, UK); On the power strip, Backlit auto shut down without operation for 10 minute. Consumption: ≤3 w Product: 210×70×40(mm); Screen: 50x24 (mm) Ambient requirements: temperature: -10~60°C; humidity: 20~85% (No condensate) Net weight: approx. 510g Package weight: approx. 610g