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-C10FK02-M*AN Control Type: Temperature Control Mode: Intelligent Temperature Control Regulator Temperature Range: 0~999 Degree Celsius Installation Type: Buckle Working Voltage: 220 (V) Material: ABS Working Voltage: 220V 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: Relay (RELAY) 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 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 Controller 1 x Fixing Buckle 1 x Chinese User Manual 1 x English User Manual