ESD.30 - Wireless 30m PIR Detector

Marsoni

M251S

$66.15

Get it in 3 business days with 1 day shipping. Friday, May 29

ESD.30 - Wireless 30m PIR DetectorThe ESD. 30 is a versatile wireless PIR detector that provides covert, long range detection for the purpose of CCTV and lighting control, intruder detection, perimeter protection and remote switching. It is suitable for both domestic and commercial applications and is the most powerful PIR detector in the EasySwitch range. 30m x 20m long range, wide angle detection pattern Adjustable lens to provide discreet coverage from a variety of angles Sliding

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I have never encountered a set of books this well done. Everything in each book is written to help you understand the CompTIA A+ certification. It addresses the topics with a great overview and then specifics. It starts with a test to establish your level of experience. It is written in a way that lends itself to moving around to different topics to keep things fresh. There are online flash cards aplenty! There are also a ton of practice questions both in the books and online. These books increased my confidence, not just because the exams helped me learn that I knew more than I thought, but because I feel confident that I can learn the rest! Thank you for the great job!

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Reviewed in the United States on March 25, 2025

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j'von Wallace

Whiting, US

★★★★★ 5

Great for getting into the cyber field

Format: Paperback

This was a good investment

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Reviewed in the United States on February 17, 2026

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shirley

Louisville, US

★★★★★ 5

Format: Paperback

Can always use

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Reviewed in the United States on November 27, 2025

Verified Purchase

Cuba, US

★★★★★ 5

Brand new

Format: Paperback

These books are brand new and love it. They have very good pictures and its very informative. Also gives guidance on when to take practice test after every introduction. My books were in good condition. I really needed this i already spend to much time on screen. Good to give eyes a break

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Reviewed in the United States on March 16, 2025

Verified Purchase

CyberLinK

Houston, US

★★★★★ 5

Books arrived in fantasic shape.

Format: Paperback, Format: Paperback

I was worried about making the purchase due to other people having problems with miscut books and glued pages. I ordered the set of three and they are all in great shape. No miscuts or glued pages. Every page seems to be printed legibly. I'm very happy with my purchase. I didn't see any recent reviews so I thought this may help some of those hesitant to buy.

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Reviewed in the United States on August 4, 2024