Specifications: By adopting , this kit is highly reliably, highly efficient and also provide with long lifespan. The electric thermostat is designed with self-adjusting function and intelligent control of the instrument to ensure the long-term stability. This temperature controller features large and clear display for better readability. This product is designed with wide temperature measuring range. Item Name: Intelligent Thermostat Material: ABS Product Model: REX-C100FK02-MxAN Control Accuracy: 1.0 Control Method: PID Control and Self-tuning Control Working Environment: 0~50 Degree Celsius Relative Humidity 30 Percent~85 Percent RH Input Mode: K/E/J/R/S/B/N/T/PT100/CU500 Adjustable Output Mode: Relay Operating Voltage: 220VAC, 50Hz/60Hz;100~240VAC, 50Hz/60Hz Features: Convenient to Use, Fine Workmanship, Durable Size Details 220V Long Pattern:48 x 48 x 107mm/1.89" x 1.89" x 4.21" (Approx.) 100-240V Long Pattern: 48 x 48 x 107mm/1.89" x 1.89" x 4.21" (Approx.) 100-240V Short Pattern: 48 x 48 x 86mm/1.89" x 1.89" x 3.39" (Approx.) Panel Size: 48 x 48mm/1.89" x 1.89" (Approx.) Hole Size: 45 x 45mm/1.77" x 1.77" (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 Intelligent Thermostat 1 x Thermostat Buckle 1 x Chinese User Manual 1 x English User Manual