ATTs (Silent Head) Underlit Wheel 3 Rod Alarm Set with ATTx V2 Receiver

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The alarms operate in the same way as the ATTs Silent Alarm but have a clear underlit two-magnet roller wheel that illuminates in the event of a bite.

With its ‘intelligent detection system’ the alarm knows the roller position in which it was most recently activated, so can eliminate false activation.
Under roller wheel LED.
Alarms powered by 1 x 4A76 battery (supplied) For replacement battery see product code 10774. Receiver powered by 2 x AA batteries (not supplied – see product code 02983).

alarms systems remotes transmitters modules under-lit