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Description
Denver ASA-30 (Wireless strope sirene)This is an additional wireless strope sirene for DENVER HSA 120. Just plug it into a power outlet, connect it with your DENVER HSA 120 home alarm system, and you have extra sirene if the alarm goes live. Features Type: Wireless siren Placement available: Indoor Housing material: Acrylonitrile butadiene styrene (ABS) Operating frequency: 315 433 MHz Light alarm: Y Alarm decibels: 90 dB Colour of product: Black,White LED indicators: Y Power AC input
This is an additional wireless strope sirene for DENVER HSA-120.Just plug it into a power outlet, connect it with your DENVER HSA-120 home alarm system, and you have extra sirene if the alarm goes live.
| Features | |
|---|---|
| Type: | Wireless siren |
| Placement available: | Indoor |
| Housing material: | Acrylonitrile butadiene styrene (ABS) |
| Operating frequency: | 315 / 433 MHz |
| Light alarm: | Y |
| Alarm decibels: | 90 dB |
| Colour of product: | Black,White |
| LED indicators: | Y |
| Power | |
| AC input voltage: | 230 V |
| AC input frequency: | 50 Hz |
| Operating voltage: | 230 V |
| Battery technology: | Lithium |
| Battery voltage: | 4.2 V |
| Power consumption: | 300 mA |
| Standby current: | 13 mA |
| Operational conditions | |
| Operating temperature (T-T): | -10 - 55 °C |
| Operating relative humidity (H-H): | 0 - 80% |
| Weight & dimensions | |
| Dimensions (WxDxH): | 81 x 80 x 81 mm |
| Weight: | 185 g |
| Packaging content | |
| Manual: | Y |
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4.4 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 4
Good Book, not Parshall though
Format: Kindle
The author uses more Japanese terms than any similar book that I've read but uses western naming conventions for Japanese people. I don't quite know what to think. Good diagrams.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025
★★★★★ 5
Japanese mindset Coral Sea
Format: Kindle
This book gave me fresh insights to the Battle of the Coral Sea. I feel like I have an idea as to what was going through the Japanese minds. Well written. He make it easy to follow each step of the battle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
★★★★★ 5
A Less Than Famous Battle
Format: Hardcover
Very thorough on a battle that was not as decisive as Midway.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 5
Interesting front to back
Format: Hardcover
Really good book. A lot from the Japanese perspective. Plenty of facts but not so much as to be boring. Amazing how much was hit or miss back then. Or just plain luck.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
★★★★★ 5
An important book
Format: Kindle
A very good treatment of the subject matter, especially valuable as it mines the Japanese sources, which have largely been ignored by the Western historians. The narrative is clear and easy to follow & background detail gives important context into the psychological aspects of the events. Definitely recommended!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
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