SMATRUL WSD023 WiFi RF Temperature Humidity Sensor LED Display Remote Control Smart APP Alarm Detector

• 【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).