1- Ring is a global home security company owned by Amazon ... amzn.to/3RQaaEz

2- Nest Secure Smart Alarm System ... amzn.to/4877ZSE

3- SimpliSafe Compact Home Security System ... amzn.to/2NR99bG

4- Gate : Your Personal Doorman ... getgate.com

5- The World's Smartest Doorbell : VEIU ... ebay.us/HVWc52

6- Securifi Almond+ ... amzn.to/2qYXrSk

7- Teodoor - Smart Lock ... teodoor.com

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