Equipment sensor: I have an expensive four-wheeler and zero-turn mower in my backyard, and would like to see some kind of sensor (other than motion, too many plants and wind won’t make it practical) to protect these expensive items as well. This would be a great selling point; maybe like a magnetic plug stuck to a metal part of the bike’s body, that if it’s removed from that metal body it alerts the brain.
When it's time to pair the keypad, the Ring app will have you create a four-digit PIN for arming and disarming the system. If you choose to have professional monitoring, you'll need to also come up with a verbal password to help identify you in case you have to talk to a dispatcher. As a reviewer — and a person who has tripped  countless alarms in the last few months — I also appreciate that there's a seven-day trial period before professional monitoring becomes active, so you can take time to set up the system without worrying about false alarms. It also gives you time to register the alarm so that you do not incur any fees.

I recently purchased the new Ring security system after owning the video doorbell for a while. I bought this system to allow me to ditch my system and service from a large national provider (42$ per month for monitoring vs 10$)! Firstly, I have been interested in this product and company since I saw Jaime Siminoff on Shark Tank back in 2013. Back then the company was called DoorBot. I like the new name much better.
Once your trial of ring video recording ends, you can no longer access past events without a paid subscription. That's not such a big deal until you realize what counts as a "recent event". If you don't press the button within about 5 seconds of getting a motion alert, you missed your shot and now it's a past event. Say the UPS guy comes, presses the doorbell and walks off immediately. Your phone properly notifies you that somebody is at your door, but you've got something in your hands, or your phone is in your pocket or any other distraction is going on that takes 5 seconds to finish. By the time you hit the notification banner and go into the app, it will take you to a screen that says you need a paid subscription to see past events. Earlier today I got a notification WHILE holding my phone, clicked it immediately, but the live video loaded slowly and by the time it did load, the "event" was considered done and it took me to the screen saying I needed to pay. I have no problem paying to record everything and be able to pull up events from hours, days or weeks ago, but needing to pay because 5 seconds went by and the app loaded slowly is a rip-off. This is a $200 item which replaces a $5 hardware store doorbell, and the ONE thing it's supposed to do (show you live video of rings or motion events at your door) doesn't work about half the time without paying extra. There needs to be about a 30 second window at minimum where you can see what's going on without having to pay extra.
The Base Station keeps your Alarm system online and connected to your mobile devices. It connects to your home network via ethernet or wi-fi and links to all your Alarm components and select third-party devices via Z-Wave. Also included are a built-in 110-decibel siren, 24-hour backup battery and optional cellular backup (with a Ring Protect Plus subscription).
One of the first things I did on the Pro was to draw the precise area I wanted the camera to monitor for motion. This process is done in the mobile app, using your finger, and allows you to highlight a sidewalk but ignore the street or an area where, perhaps, you have a wind chime hanging. As you can see above, I highlighted my entire entryway, sidewalk, and driveway. The street is eliminated completely.
Once you have your Ring Doorbell installed you want to make sure you have a strong reliable wifi signal getting too the doorbell. If you don't have a strong signal or if it's slow you will have choppy video on the Ring Doorbell or receive notifications from your doorbell with a delay.  You won't be seeing the real time footage of what is happening at the front door if you have poor wifi signal strength. 
2 - This kind of goes along with #2. You cannot access the doorbell with security software like Blue Iris,et.al. Now, I get that they want to sell you their Cloud service and I'm ok with $30 / year to have an off-site backup. But if you could link the doorbell into your security system you would have an actual video of everything in your possession and you could access it from any computer in the world. That would be REALLY handy for police investigations and any legal hassles that may come your way.
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