Monitor your indoor environment with precision using this advanced Room Thermometer, designed to provide accurate temperature and humidity readings for a comfortable living space. Crafted from durable ABS and aluminum materials, this digital hygrometer features a large screen for easy readability and a comfort level indicator to help you maintain the ideal atmosphere in any room. Key Features: · Comfort Level Indicator: Displays comfort levels clearly, assisting you in maintaining the perfect indoor climate for health and well-being. · Large, Easy-to-Read Screen: The sizeable display ensures quick and clear readings of temperature and humidity under various lighting conditions. · High Accuracy Measurements: Pre-calibrated sensor delivers precise indoor temperature readings within ±1℃ and humidity levels from 10% to 99%, along with outdoor humidity accuracy of ±5%. · Historical Data Tracking: Records and displays high and low temperature and humidity values over the past 24 hours and all time, enabling you to monitor environmental changes effectively. · Wide Temperature Range: Suitable for indoor temperatures from 0℃ to 60℃ and outdoor temperatures from -40℃ to 60℃, making it versatile for multiple environments. · Easy Installation: Designed for flexible placement, this digital thermometer can be conveniently mounted on walls, refrigerators, tables, or other surfaces. · Wireless Transmission: Operates on a 433.9 MHz frequency with an open area transmission distance of up to 90 meters (98.43 yards), ensuring reliable remote monitoring. · Lightweight and Portable: Weighing approximately 180g (6.35oz), it is easy to handle and move as needed. Specifications: · Item Type: Room Thermometer · Material: ABS, Aluminum · Indoor Temperature Range: 0℃ to 60℃ · Outdoor Temperature Range: -40℃ to 60℃ · Indoor Temperature Accuracy: ±1℃ · Indoor Humidity Range: 10% to 99% · Outdoor Humidity Accuracy: ±5% · Frequency: 433.9 MHz · Update Rate: Every 60 seconds · Transmission Distance: 90 meters / 98.43 yards (open area) · Battery: 4 x 1.5V AAA batteries (not included) · Weight: Approx. 180g / 6.35oz Package Includes: · 1 x Room Thermometer This digital room thermometer is an ideal solution for maintaining optimal temperature and humidity in various indoor settings such as baby rooms, nurseries, offices, closets, incubators, greenhouses, gardens, cellars, basements, and glass containers. Enhance your environment monitoring with this reliable and easy-to-use indoor temperature and humidity meter.