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 Controller Model: REX-C100FK07-V AN SSR Control Type: Temperature Control Mode: Intelligent Temperature Control Regulator Temperature Range: 0-1372 Degree Celsius Installation Type: Buckle Material: ABS Working Voltage: 110-240V AC 50Hz/60Hz Temperature Control Accuracy: 1.0 Control Method: PID Control and Self-tuning Control Working Environment: 0-50 Degree Celsius Relative Humidity: 30%-85%RH Input Mode: K/E/J/R/S/B/N/T/PT100/CU500 Adjustable Output Mode: Solid State Relay (SSR) Features: with Digital Display, Intelligent, Durable Panel Size: 4.8cm x 4.8cm/1.89 x 1.89, Opening Hole Size: 4.5cm x 4.5cm/1.77 x 1.77 (Approx.) Size: 4.8cm x 4.8cm x 10.7cm/1.89 x 1.89 x 4.21 (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Temperature Controller 1 x Fixing Buckle