Features: Thermostat provides single heating contact output or single cooling contact output. Measures room temperature via sensor and compares it with the set temperature to control the on/off function of the output contact, with a switching differential of 0.5℃. Equipped with a large LCD screen for clear visibility, even in low light conditions. This digital thermostat offers high sensitivity and high accuracy. Sleek design and easy to operate. Specifications: Power: 2 x AA alkaline batteries (not included) Display accuracy: ±0.5℃ or ±1°F Sensor type: NTC (10kΩ) ±1% Contact capacity: 5A Operating environment temperature: 0–50°C / 32–122°F Temperature control range: 5–35°C / 41–95°F Temperature display range: 0–40°C / 32–99°F Output: Relay switch Insulation: Standard environmental insulation Operation cycle: Programmable weekly cycle (7-day program) Installation: Wall-mounted or battery-powered placement Dimensions: 8.5 x 8.5 cm / 3.35 x 3.35 in Weight: 165g Package Included: 1 x Temperature Controller (batteries not included) 1 x User Manual 2 x Screws Note: Please note that new and old versions of this product may be shipped randomly. Ensure you are comfortable with this before placing your order.