Specifications:It has digital display, which is clear and easy to read.Removable housing is convenient for installation.With PID temperature controller, it is much more precise and accurate. Item Name: Temperature ControllerModel: REX-CH102 FK02-MV*ABControl Type: TemperatureControl Mode: Intelligent Temperature Control RegulatorTemperature Range: 0~400 Degree CelsiusInstallation Type: BuckleWorking Voltage: 48~240 (V)Material: ABSWorking Voltage: 48V-240V AC 50Hz/60HzTemperature Control Accuracy: 1.0Control Method: PID Control and Self-tuning ControlWorking Environment: 0~50 Degree Celsius Relative Humidity: 30%~85%RHInput Mode: K/E/J/R/S/B/N/T/PT100/CU500 AdjustableOutput Mode: Relay (RELAY) Solid State Relay (SSR) Synchronous Dual OutputAlarm Mode: (Upper Limit) (Lower Limit) Double AlarmFeatures: with Digital Display, Intelligent, DurablePanel Size: 4.8cm x 4.8cm/1.89" x 1.89", Opening Hole Size: 4.6cm x 4.6cm/1.81" x 1.81" (Approx.)Size: 4.8cm x 4.8cm x 7.8cm/1.89" x 1.89" x 3.07" (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 Temperature Controller2 x Fixing Buckle1 x Chinese User Manual1 x English User Manual