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Harvest Portable Intruder Alarm – your permanent watchman


This Harvest Portable Intruder Alarm runs for an astonishing 12 months on 6 AA batteries, contains a passive infrared sensor and GSM cellphone to let you know if anyone enters a location without permission. When it’s triggered it will send out an alert via SMS text message and because it doesn’t need any mains power, you can put it anywhere. Very clever indeed.


 The Harvest Portable Intruder Alarm incorporates a passive infrared sensor (PIR) and GSM cellphone to form a battery powered portable and discrete alarm system. The system can run for up to 12 months on six AA batteries. When triggered the system sends out alarms via text messages and can be programmed with up to three message recipients. One of the key benefits of the system is its ability to operate with no mains power and no phone line. All you need is GSM cell phone coverage. With such incredibly low power consumption we believe this product to be truly unique.

Nigel is the managing editor of the Red Ferret, as well as a freelance columnist for the Sunday Times newspaper in London. Loves tech and fancies himself as a bit of a futurist, but then don’t we all?

Nigel – who has written posts on The Red Ferret Journal.

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