Feature: 1. Electronic devices use changes in electrical capacitance or resistance to measure humidity differences. 2. Large-character LCD display, clear to read. 3. Low power consumption and high stability & accuracy. 4. Displays temperature, humidity, and time simultaneously. 5. °F/°C unit selectable, 12-hour/24-hour display system selectable. 6. Stores maximum and minimum measuring values. 7. Clock and calendar function, suitable for desktop placement or wall mounting. 8. Made of ABS engineering plastic, providing good toughness and rigidity, durable and wear-resistant. 9. Features a large-character LCD display for easy reading. 10. Simultaneously displays indoor temperature, outdoor temperature, and indoor humidity. 11. Freezing point alarm range: -1°C to 4°C. 12. Includes 8-minute snooze function. 13. Stores maximum and minimum measurement values. 14. Helps monitor indoor humidity levels, especially when using air conditioning. 15. Constructed with ABS engineering plastic for enhanced durability and safety. Specifications: Material: ABS Color: Yellow Indoor temperature range: -10°C to +50°C (14°F to 122°F) Outdoor temperature range: -50°C to +70°C (-58°F to 158°F) Temperature accuracy: ±2°C Temperature resolution: 0.1°C (0.2°F) Humidity range: 20% RH to 99% RH Humidity accuracy: ±5% RH Humidity resolution: 1% RH Freezing point alarm: -1°C to 4°C Calendar range: 1999/1/1 to 2048/12/31 Battery: 1 x AAA 1.5V (not included) Item dimensions: 10.8 x 10 x 2.2 cm (4.25 x 3.93 x 0.86 in) Item weight: 126 g Package dimensions: 21.5 x 14.5 x 4.5 cm (8.46 x 5.70 x 1.77 in) Package weight: 157 g Note: - Item color may vary slightly due to lighting and monitor display differences. - Battery not included. Packing List: 1 x Temperature and Humidity Meter