- Accurate Temperature and Humidity Monitoring: Experience precise detection and measurement every second. The sensor measures temperatures from -19°C to 60°C and humidity levels from 0% to 100% relative humidity. Easily set upper and lower limit alarms through the user-friendly app and choose between Fahrenheit and Celsius units. - Reliable Power Supply: Crafted from durable materials, this sensor alarm ensures practical use. It operates via USB and includes a built-in 500mA battery, allowing for continuous functionality even during power outages. - Easy-to-Read Display: The 9-inch LCD screen offers clear visibility with five large indicators for temperature, humidity, brightness, time, and date, making it easy to monitor conditions at a glance. - Real-Time Monitoring: Utilize the companion app for real-time temperature and humidity updates, ensuring you are always aware of environmental conditions. - Versatile Applications: Ideal for home, office, or greenhouse use. Monitor and maintain optimal conditions for plants, sensitive equipment, or personal comfort. - Key Features: - Measurement Frequency: 1 second - Temperature Range: -19°C to 60°C - Humidity Range: 0% to 100% RH - USB-powered with backup battery - 9-inch LCD display for easy reading - App compatibility for alerts and monitoring Make informed decisions for your environment with this essential temperature and humidity sensor alarm.