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 state of the output contact, with a switching differential of 0.5°C. 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 user-friendly operation. Specifications: Power: 2 x AA alkaline batteries (not included) Display accuracy: ±0.5°C or ±1°F Probe sensor: NTC (10k) 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 condition: Normal environment Operation cycle: Programmable weekly cycle 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 be aware that either the new or old version of this product may be shipped at random. Ensure you are comfortable with this before placing your order.