Features Large LED Screen: Clear and convenient LED display for better readability, ensuring easy monitoring of temperature settings. Dual Mode Support: Switch between cooling and heating modes, with temperature limit alarm function for enhanced safety and protection. Precise Temperature Control: Set and adjust temperature values with high accuracy and sensitivity, ensuring consistent and reliable performance. Stable ABS Shell: Impact and scratch-resistant shell made of environmentally friendly ABS flame retardant plastic, providing long-lasting protection. High Sensitivity NTC Sensor: Utilizes NTC sensor for fast response speed and high-resolution accuracy, consuming less than 3W of power. Specification: Item Type: Digital Temperature Controller Measurement and Control Temperature Range: -50℃ - 99℃ Resolution: 0.1℃ Accuracy: ±1℃ (-50℃ - 70℃) Power Consumption: between3W Sensor: NTC sensor Ambient Temperature: 0℃ - 60℃ Storage Temperature: -30℃ - 75℃ Relative Humidity: 20% - 85% (no condensation) Package List: 1 x Digital Temperature Controller Package List 1 x Digital Temperature Controller