Usage Tips: and Features: Adjustable heat/cool set temperature limit stops, energy usage monitor. Programmable air filter life timer, temporary temperature override, adjustable temperature differential. High-precision temperature and humidity sensors, and have adjusted digital filter function. Early start mode ensures the desired temperature is reached by the programmed time, making for a comfortable home whenever you need it. The two alarm outputs, lower limit alarm or higher limit alarm mode can be chosen. Independent set the alarm sensitivity. Analog output will send (option), can be measured, transform the display value after in standard current, voltage form output for other equipment. Humidity and Temperature Controller Set only, other accessories demo in the picture is not included! Specification: Measuring resolution: temperature is 0.1, humidity is 0.1 percent RH Measurement precision : temperature is 0.5, humidity is 5 percent RH Display range: temperature is 0.0- 70.0 Humidity is a median 5 - 90.0 percent RH Alarm output: Two road relay output, Relay contact output: 250V AC 10A Output resolution: 1/4000 F.S, error less than 0.3 Power supply: AC power consumption less than 85 to 265V 3VA Working environment: 0 - 60 , humidity below 90 percent RH Product Dimension: 72x72x80mm/2.83x2.83x3.15inch Panel Hole Dimension: 66x66mm/2.6x2.6inch Signal Line Dimension: Length 2m/78.74inch Color: Black Quantity: 1 Set Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Set Humidity and Temperature Controller