Category Archives: Sirens

Viper 515R Battery Back-up Siren

Posted on February 8, 2020 by Julian

The 515R is a battery back-up siren from Viper. It’s one of those sirens that I’m not a big fan of as it has an over-ride key. That said it does have a decent internal battery and the keys are … Continue reading →

Posted in Sirens, Viper | Tagged | Leave a comment

How good are the batterys in your battery backup siren?

Posted on March 17, 2015 by Julian

The whole point of a battery backup siren is for it to continue to scream after the battery is disconnected. As regular readers know, sirens are more effective if they are hard to access but even if they are hidden they … Continue reading →

Posted in AVS, Cobra, Cyclops, Dynatron, Mongoose, Sirens, You really should know... | Tagged , , | Leave a comment

Viper Sirens. The Good the Bad and the Muppets!

Posted on February 18, 2015 by Julian

One of the annoying things about running a security business in NZ is that most products come via Australia which means that the Aussies dictate what we have access to here. Viper is no exception to this. The two thing … Continue reading →

Posted in Muppets, Sirens, Viper | 2 Comments

Cobra AK4615 siren testing.

Posted on September 25, 2014 by Julian

The Cobra 4310 siren has been in a league of its own for as long as I can remember. Not only is it horribly loud, it has an internal battery pack that still works many years after getting installed (most … Continue reading →

Posted in Cobra, Reviews, Sirens, Wireless Sensors | Leave a comment

Mongoose 5 Star alarm siren. Epic Fail!

Posted on October 17, 2013 by Julian

It’s no secret that I have no respect the “5-star alarm” rating system. It sickens me to see that Mongoose and others are still plugging it. Everyone in the industry is aware that it is a misleading guide designed only to … Continue reading →

Posted in Insurance Approved, Mongoose, Muppets, Sirens | Tagged , , , , | 1 Comment

Cobra Siren Tested to the Limit…

Posted on June 4, 2012 by obsessed

Cobra Siren Waterproof Test Sometime ago I recall being told that a Cobra alarm siren would survive for 10 minutes under water. This struck me as an impressive boast, however, nobody could confirm if this claim was true or not … Continue reading →

Posted in Cobra, Sirens | Tagged | 4 Comments

Serpi Star Brick!

Posted on July 25, 2011 by obsessed

Here’s one for the Obsessive Museum (Now that’s a very sad idea!) I removed this brick sized siren from a Ford Sierra a couple of weeks ago. The Serpi Star GR5 still had it’s warranty seal sticker in place which … Continue reading →

Posted in Just for Fun!, Sirens | Leave a comment

5 Star Muppetry!

Posted on July 3, 2011 by obsessed

Let me bring the following quotation from the NZSA website to your attention: “If the alarm is sounding because it has detected an intrusion, a thief will try to silence the alarm by cutting the siren wires. Battery back-up sirens … Continue reading →

Posted in Mongoose, Muppets, NZSA, Sirens | Tagged | 18 Comments

Cobra Drivers Card

Posted on June 3, 2011 by obsessed

With more and more cars having Immobilisers these days the easiest way to take a car is with the keys. The Cobra Drivers Card is designed to protect your vehicle even if the car keys and remote are stolen. It can … Continue reading →

Posted in Cobra, GPS Tracking, Obsessive Go-Kart, Obsessive Installs, Reviews, Sirens | Tagged | 10 Comments

Battery Back-Up Sirens

Posted on April 25, 2010 by obsessed

Battery Backup Sirens are a basic requirement for any 5 Star rated alarm. Being the part of the alarm that screams for your attention it is arguably the most important part of the alarm. I decided to put the major … Continue reading →

Posted in Alarm Accessories, Autowatch, AVS, Car Alarms, Cobra, Cyclops, Dynatron, Meridian, Mongoose, Reviews, Sirens | 20 Comments