
Basic set for a landline phone. I thought a more detailed explanation of how the phone line works and how to use dialing would have been included. The included instructions were superficial. Worked as stated.

π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review

π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review

π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review

π Dioxide Controller for Digital Gas Monitoring
5 Review