
13
Regret
Low regret
Ring Alarm
Ring Alarm Contact Sensor (2nd Gen)
93% would buy againHome & Garden
Also compare at
Affiliate links. Commissions never influence scores. We auto-detect your country on Amazon; other retailers use Impact.com and Skimlinks.
What owners love
- βWorks reliably with Ring hub; battery lasts months without replacement
- βEasy to install on doors and windows; adhesive sticks well
- βNotifications arrive instantly when doors or windows open
What owners regret
- βOccasional false alerts from vibration or accidental bumps
- βBattery indicator doesn't show exact percentage, just low/good status
- βAdhesive fails on textured surfaces; screws damage trim

