Power supply voltage: AC 110 -230V Temperature range: -40Celsius -99Celsius Temperature measurement accuracy: +/- 1Celsius (-40Celsius -70Celsius ) Sensor cable length: 100cm Sensor cable type: NTC Size: 93mm x 56mm x 34mm Output capacity: cooling (10A/250VAC) heating (10A/250VAC) Indicator status: Cooling indicator (heating cooling indicators cannot be on at the same time) : On: cooling operation Off: cooling Flashing: Press delay Heating indicator: On: heating work Off: heating off Setting indicator: On: parameter setting status Data Indicator (yellow light: distribution network light): Data transmission light Network light (indicating whether the APP is correctly connected to the device): On: online Flashing: offline Caution: Thermostat is prohibited to be used in or in an excessively humid environment. It is forbidden to use high temperature, strong electromagnetic interference strong corrosive environment. Assembly status: ready to use color:+white Material: plastic Only the above package, other products are not included. Note: Light shooting different displays may cause the color of the item in a bit different from the real thing. The allowable measurement error is +/- 1-3 cm.