The ZL-6x0A-R series is a thermostat with RS485 communication.The device is suitable for controlling cold storage, seafood storage, water heaters, etc.Cooling or heating mode.Regular or intellectual thaw.Fan control.Temperature calibration.High/low over temperature warning.Temperature output delay protection.Sensor failure warning.Buzzer warning.External warning input.RS485 communication.Sensor line: 1.5 meters long (including sensor)Sensor: NTCSetting range: -40~120 CelsiusDisplay range: -50~130 CelsiusPower: 185~245Vac, 50 / 60HzLoad: 3A, 10A, 250Vac (resistance)Storage temperature -30~70 CelsiusWorking temperature: -10~45 CelsiusVoltage: 220VacWork: relative humidity 5~85%, no condensationProtection level: IP65 (front only)Colour: BlackMaterial: PlasticSize: L78 x W34.5 x D71 (mm)Installation drilling: L71 x W29 (mm)Package Contents:1 * digital thermostat1 * copper head sensorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.