Wireless humidity sensors allow you to monitor the relative humidity of the air within a room or enclosure. Ideal for monitoring humidity within greenhouses, industrial spaces, museums, saunas and humidors. They can also be used for residential applications such as controlling mold, mildew or dust mites.
 
Accuracy: ± 3% under normal conditions ( 10% - 90% RH )
RH Operating Range: 0 – 100% RH
RH Response Time: 8 sec ( tau 63% )
Weight: 3.7 oz.
Security: 
Encrypt-RF® (256-bit key exchange and AES-128 CTR)
Battery Type: Replaceable 3.0V (CR2032) Coin Cell Battery
Dimension: 2.0 in x 1.125 in x 0.875 in
Max Operating Temperature: -7°C to +60°C ( 20°F to +140°F )
Optimal Battery Operating Temperature (Coin Cell): +10°C to +50°C ( +50°F to +122°F )
Supply Voltage: 2.0 - 3.8 VDC
Battery Life: At 1-hour heartbeat setting, coin cell battery will last up to 4 years. **
Enclosure Material:  ABS
Operating Frequency: 900 MHz Operating Frequency
Certifications: Complies with Part 15 of the FCC Rules. (FCC ID: ZTL-G2SC1)
                      Complies with Industry Canada standards. (IC: 9794A-G2SC1)
Device Range: Device Range Up to 1,200 ft. non-line-of-sight, wireless device range*
Security: Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)