This smart-alarm has been specially developed for the NASH receiver Siren R4. Each smart-alarm transmits its own unique code and can be programmed on any channel of the NASH receiver.

The smart-alarm has the following specifications:

• Passive Infra Red (PIR) silent alarm*
• Detection range >7m**
• Detection angle 120 degrees
• Transmit range > 150m**
• Battery life > 100 hrs***
• Battery low signal
• Anti theft signal when switched off
• Adjustable sensitivity
• Operates on 2 x AA batteries (included)
• 2 year warranty

* see the page how a PIR sensor works for the operation of a PIR system
** depending on the environment and circumstances
*** by normal use and depending on the quality of the batteries