• 【Remote Monitoring via APP】Monitor your home's temperature and humidity anytime, anywhere using the "Smart Life/Tuya" APP. • 【10-in-1 Multi-Device Support】The main unit can connect up to 10 sub-devices, displaying information from different devices every 3 seconds on a large LCD screen for easy monitoring of multiple areas. • 【Flexible Sub-Device Installation】Each sub-device comes with a lanyard and adhesive tape for easy hanging or sticking in various monitoring areas like walls, windows, or corners. • 【Wireless Control with 100m Coverage】Stable connection between main and sub-devices via RF433 protocol, covering up to 100 meters in open areas, avoiding Bluetooth/WiFi interference. • 【Precise Monitoring with Dynamic Updates】Tracks minute temperature and humidity changes with ±0.6°C temperature accuracy and ±6%RH humidity accuracy, updating data every 10 seconds in stable environments. • 【Automatic Threshold Alerts】Set upper and lower temperature and humidity limits for automatic APP alerts when conditions are out of range. • 【Outdoor Use Capable】High-precision sensors with waterproof and dustproof cover ensure stable operation in various weather conditions. Specifications: •APP: Smart Life/Tuya Smart •WiFi frequency: 802.11b/g/n 2.4GHz •Wireless protocol: 433MHZ •Wireless distance: 100M (open area) •Input voltage: DC 5V1A Type-C (wifi host); AAA battery*2 DC1.5V (for sub-device) (battery not included) •Temperature detection range: -10℃~60℃ •Humidity detection range: 0%-99%RH Notes: •1. The host is connected to the mobile app via 2.4G WiFi. The sub-device is directly connected to the host via RF433, and the sub-device cannot be used alone. •2. Each host supports adding up to 10 sub-devices. •3. The temperature and humidity data of up to two sub-devices can be displayed on the screen at the same time. When more than two sub-devices are added, they will be displayed alternately. •4. The default update frequency of this product is temperature ±0.2℃ or humidity ±2%RH, and the data is reported every 10 seconds in a constant temperature environment. •5. The temperature accuracy of this product is ±0.6℃, and the humidity accuracy is ±6%RH. •6. The host is powered by USB, and the sub-device is powered by 2 AAA batteries (not included). Package included: •1 x Host •2 x Thermometer Hygrometer •2 x Lanyard •1 x English Instruction Manual •1 x Charging Cable •2 x Sticker