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Description
Ness Wireless 304MHz Reed or Ext Input RR2 100-527Overview The Ness Universal Transmitter is a 9V battery operated transmitter with reed switch, an external input and vibration analyser built in. The external input can be used to take inputs from normally closed reed switches or emergency buttons. This allows the connection of any type of N. C. switch or button to trigger an alarm signal. the external input can also be used to connect Nessensor vibration sensors for completely wireless vibration
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Best in 7 days
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Best in 7 days
4.2 ★★★★★
Based on 1770 reviews
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Product Reviews
★★★★★ 5
Good for Exam
Format: Paperback
Very helpful, covers test materials and is a good resource.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
★★★★★ 2
Incomplete
Format: Paperback
Only received three of the four volumes. Did not receive the core 1 study guide.
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Reviewed in the United States on October 8, 2025
★★★★★ 5
Very detailed
Format: Paperback
Great info. Definitely a great purchase
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Reviewed in the United States on February 8, 2026
★★★★★ 5
These are the actual reference books.
Format: Paperback
The actual books for the actual tests. You Need these if you want to study and pass the Comptia A+ exams. Legit the real deal.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Amazing, never have to but the disposables again
Color: Matte Gold
Great quality, heavy, and works great. Lots of replacement blades too!
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Reviewed in the United States on May 26, 2026
