WIDE TEMPERATURE MEASUREMENT RANGE: -40~230°F/-40-110°C WIDE HUMIDITY MEASUREMENT RANGE: 5%RH～99%RH UPGRADED SENSOR: Prevent water vapor from condensing and accumulating in the sensor, thereby affecting the measurement accuracy. SAFE & RELIABLE: Comply with CE, FCC standard and adopt fireproof ABS case, UL94 V-0 for safety. 24/7 US Technician Support via Email and Phone.

Suitable for STC-1000Pro-TH, STC-1000WiFi-TH