Monitor temperature and humidity across multiple locations with this advanced Digital Thermometer featuring 3 wireless sensors and an indoor unit for simultaneous monitoring of up to 4 different areas. Designed for home, school, store, and industrial use, this multifunctional device provides reliable environmental data to help you maintain optimal comfort and safety. Key Features: · Triple Sensor System: Equipped with 3 wireless sensors plus the indoor receiver, allowing real-time monitoring of temperature and humidity in four different locations simultaneously for comprehensive environmental control. · Multifunctional Display: Accurately measures temperature and humidity with additional features including temperature alerts, maximum/minimum records, and trend indicators, enabling easy tracking and timely adjustments. · Long-Range Wireless Transmission: Utilizes reliable wireless communication with a transmission range of up to 150 meters (500 feet) in open air, providing flexibility in sensor placement and ensuring stable data transfer. · Large Colorful HTN Screen: Features a spacious, white backlit HTN display that clearly presents temperature, humidity, and other data for easy viewing at any time, even in low-light conditions. · Versatile Installation Options: The receiver includes a hidden stand and a hanging hole, allowing convenient placement on desktops, countertops, walls, or doors to fit your space and preference without installation limitations. Specifications: · Color: White · Receiver Power: 3 x AAA batteries (not included) · Sensor Power: 2 x AA batteries per sensor (not included) · Receiver Dimensions: 87 x 105 x 24.5 mm (3.4 x 4.1 x 0.9 in) · Sensor Dimensions: 50 x 105 x 29 mm (1.9 x 4.1 x 1.1 in) · Screen Size: 58 x 76 mm (2.3 x 2.9 in) Package Includes: · 1 x Receiver Unit · 3 x Wireless Sensors · 1 x User Manual This Digital Thermometer and Hygrometer set combines precise multi-point monitoring, user-friendly alerts, and versatile installation to offer an efficient solution for managing indoor and outdoor environments. Ideal for maintaining a healthy atmosphere in various settings, it ensures you stay informed and in control of temperature and humidity levels.