- Digital indoor humidity and temperature meter with humidity range from 20% to 90% RH and ±5% accuracy - Temperature range from -50°C to +70°C with ±1°C accuracy, ideal for environmental monitoring - Easy-to-read LCD display and compact design (44x44x15mm) for portable use - Measurement updates every 10 seconds for real-time data - Made of high-quality ABS material, sturdy and durable - Low power consumption, operates with long-lasting LR44 batteries - Sensitive sensor with 24 vents for fast and accurate readings - Compatible with smart systems for automatic control of humidifiers and air conditioning - Suitable for homes, greenhouses, wine cellars, basements, warehouses, laboratories, and terrariums - Includes 4 thermo-hygrometers for simultaneous monitoring in multiple spaces