Introducing our state-of-the-art Environmental Monitoring Alarm, designed to offer comprehensive temperature and humidity monitoring with cutting-edge features: Global Connectivity: Our device supports GSM 3G and 4G network communication, ensuring you can monitor conditions from anywhere without distance limitations. Stay connected no matter where you are. Advanced Microprocessor: Equipped with a built-in microprocessor, this alarm efficiently monitors the power supply voltage, covering a range from 0 to 36V. This eliminates the need for additional purchases, offering you convenience and cost savings. Precision Calibration Output: The included AM2301 digital temperature humidity module integrates a composite sensor, providing accurate temperature and humidity readings with a calibrated digital signal output. Trust in precise data for your environmental monitoring needs. Comprehensive Status Reporting: Keep informed with automatic status updates sent to the primary user number at scheduled intervals or fixed points. Additionally, you can query alarm history via SMS, allowing for easy tracking and analysis of past events. Robust Authorization System: Our device supports up to 10 user numbers, all capable of receiving alarm messages. Furthermore, the last five authorized numbers can receive phone reminders, ensuring critical alerts reach the right people promptly. This Temperature Humidity Alarm with Sensor is perfect for anyone needing reliable environmental monitoring, whether for home, office, or industrial use. Elevate your monitoring capabilities and enjoy peace of mind with this versatile and powerful solution.