1. Features the latest PID algorithm for fast self-tuning, no overshoot, and precise temperature control 2. Durable design with stable structure 3. Switchable between Fahrenheit and Celsius temperature units 4. Relay output for reliable performance 5. Suitable for various applications requiring temperature measurement and control, such as bathrooms, greenhouses, and hatcheries Product Type: Thermostat Brand: BERM Model: CHB401 Working Voltage: AC 180-240V, 50Hz Control Type: Temperature Control Method: Intelligent temperature control regulator Temperature Range: 0-400°C Input Signal: K-type thermocouple Output: Relay Temperature Measurement Error: ±1°C Accuracy Level: 0.5 Operating Environment Temperature: 0-50°C Environmental Humidity: 35-85% RH Panel Cutout Size: Approximately 45 x 45 mm (1.8 x 1.8 inches) Installation Type: Embedded Dimensions: Approximately 48 x 48 x 86 mm (1.9 x 1.9 x 3.4 inches) Package Includes: 1 x Thermostat 1 x User Manual (English)