OVP Magnetic Sensor Alarm Door Window Security System RL-9805

• Pros: Very loud effective in alarming you!
• Cons: a little difficult to set up, some times you forget its on and it makes a really loud sound
• Other Thoughts: i use the alarm as a personal alarm system that i keep above my door.

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• Other Thoughts: I recently bought two of these alarms for my front and back door. <br/>The product is exceptional for the price. <br/>It is easy to install and easy to set up. <br/>I really feel safe when I leave the house, or even when I am IN the house. Needless to say, THAT was embarrassing when the neighbors would come out to see what was going on.

• Other Thoughts: I have three of these. One is used as an instant on alarm for a door that nobody is supposed to EVER open. The alarm is LOUD AS THE DICKENS !!! I mean LOUD LOUD ear hurting loud. That's a good thing.

• Other Thoughts: I've had this alarm for 2 months now and just ordered a second for the back door. The door alarm is VERY loud and piercing. I would think a burglar would not bother entering a home if this alarm was set off. If you want to use the Home mode (so that it sounds off right away when the door is opened), you have a choice of selecting "chime" or "alarm."

• Other Thoughts: I bought these door contacts with the thought that it would be some cheesy battery operated plastic doo-dad. Was I WRONG, and sadly mistaken. These door contacts hook up to a wireless converter that transmits a signal to the required Door Bell/Door Contact/Security Alarm Housing.