Specifications:Using high-quality ABS material shell, this thermostat is waterproof and anti-rust, which has a long service life.The clear digital display screen and simple operation panel make it easy to operate.Featuring intelligent PID control mode and self-tuning function, it has quick response high accuracy, making this thermostat convenient and practical to operate.With relay and SSR output, it is universal and can be widely applied.It is suitable for all kinds of where temperature measurement and control are required, such as bathrooms, greenhouse vegetables, hatcheries, etc.Item Name: ThermostatMaterial: ABSModel: CHB702Temperature Range: 0 Degree Celsius -400 Degree CelsiusInstallation Method: Fixed BracketWorking Voltage: 180V - 220V AC 50HzTemperature Control Accuracy: 1.0Regulation Mode: PID Control, Self-tuning ControlWorking Environment: 0 Degree Celsius -50 Degree CelsiusRelative Humidity: 30% - 85%RHInput Mode: K/E/J/R/S/B/N/T/PT100/CU500 AdjustableOutput Mode: Relay, SSRFeatures: Durable, Intelligent, High-accuracy, Digital DisplayProduct Size: 7.2cm x 7.2cm x 8.1cm/2.83" x 2.83" x 3.19" (Approx.)Hole Size: 6.8cm x 6.8cm/2.68" x 2.68" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Thermostat2 x Bracket1 x English Manual1 x Chinese Manual