I own a house, how many Check'In devices should I buy? 18 June 2024 10:32 Updated If you own a house, you can install multiple Check'In devices that you can control from your application. Related articles I can't install my Check'In Does Check'In include a siren to scare off intruders? My network is limited. How do I install my Check'In? LTE-M and NB-IoT Networks: Definitions & Differences