Features: Insert panel,220VAC power supply. Inlaid panel, 220VAC power supply, easy to install. Wide temp. measuring range and high accuracy. LED display ,clear, directly, and non- interfere by the light. Easy and convenient to use.Wide measurement range: -40° to +110°, high accuracy: ±1 Degrees Celsius. Specifications: Condition:Brand New Color: Black Size: Approx. Panel size: 64*31mm/2.5*1.2in Hole-opening size: 58.4*25.7mm/2.3*1in Temperature range: 0 Degrees Celsius~ 60 Degrees Celsius Humidity range: 20% ~ 85%(no frost) Power supply voltage: 220VAC±10% Watt consumption: <3W Measurement display range: -40 Degrees Celsius~+110 Degrees Celsius Distinguish: <100Degrees Celsius. 0.1Degrees Celsius; ≥100Degrees Celsius.1Degrees Celsius Accuracy: ±1Degrees Celsius Display EEE when sensor error (short or open circuit) Display"HHH" when >+110Degrees Celsius,display"LLL"when<-30Degrees Celsius Sensor: NTC Package List: 1*Digital Temperature Controller