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Description
V20 Portable Keychain Light Rechargeable Bright Mini Flashlight1. Wide range of applications, the side light has a multi color light source, suitable for a variety of scenes 2. The body is made of high quality PC + aluminum alloy, even if accidentally dropped, can still work normally 3. Built in 1100mAh high capacity lithium polymer rechargeable battery, longer battery life 4. Thin and compact, no burden on the trip, out of the bag or carry with you are very lightweight 5. Intelligent dustproof, waterproof,
1. Wide range of applications, the side light has a multi-color light source, suitable for a variety of scenes
2. The body is made of high quality PC + aluminum alloy, even if accidentally dropped, can still work normally
3. Built-in 1100mAh high-capacity lithium polymer rechargeable battery, longer battery life
4. Thin and compact, no burden on the trip, out of the bag or carry with you are very lightweight
5. Intelligent dustproof, waterproof, outdoor use without fear of bad weather
6. When in danger or emergency long press the side light button, immediately sound a high-decibel beeping sound and red and blue lights flashing
7. The lamp can be rotated 180 degrees to meet the needs of multi-angle lighting
8. The tail comes with a magnetic effect, can be quickly attached to the flashlight on the surface of iron objects, release your hands
Parameters:
1. Lighting distance: 100 meters
2. Bulb type: white 351B x 2 + 3535 red x 2; side light: white + green + blue + violet + red
3. Lumen: 1000 lumens
4. Charging interface: Type-C USB
5. Charging display: charging red light, full green light
6. Dual switch design: extremely bright (long press the main light switch button to turn on and off) 1000LM
7. Main light button mode: double click switch; energy saving - low light - medium light - high light - long press off
8. Side light button mode: double-click switch: white light-violet light-green light-red light-blue light-red light flash-red and blue light flash cycle, long-press shutdown; side light button continuously press 3 strikes-main light red light-long-press shutdown; side light button long-press buzzer + red and blue light flash
9. Charging voltage: 5V/1A
10. Tube body quality: PC + aluminum alloy
11. Charging time: 2.5-3 hours; battery life: 3.5-33 hours
12. Battery capacity: 1100mAh
13. Waterproof rating: IP67
14. Size: 69 x 38 x 16mm
15. Weight: 57g
Specification:
| Package Weight |
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4.8 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Info not to be found elsewhere ...
Format: Paperback
I am a cardiologist in my 50s. I have long been interested in hemodynamics and have an extensive home file system and library of Cardiovascular related books and journal articles. I thought I understood hemodynamics and tracings very well. However this book is a treasure trove of info that simply cannot be found in other publications. It has been a very worthwhile purchase. Highly recommended. This is best suited for cardiology fellows and beyond in my opinion. This info is simply not to be found elsewhere. It is as if a grey haired attending is pointing out minutiae to you that you had not realized was buried in the tracings. Well written and easy to digest. It is best to have a good understanding of hemodynamics and waveforms before reading this though. The correlation with ECHO and diastolic issues is also very good. (This book should be required reading for all cardiology fellows - invasive or noninvasive)
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Reviewed in the United States on February 7, 2016
★★★★★ 5
Hemodynamics
Format: Paperback
Very good book for students and residents of cardiology who want to learn from basic to adavence hemodynamics! Im strongly recommending it to everyone ! Its like a bible for hemodynamics!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2024
★★★★★ 5
Excellent
Format: Paperback
As a second-year cardiology fellow, I used to get very confused with hemodynamics during my cath and CCU rotations. This book is a gem, it is clear and logically written, has great explanations of waves and great illustrations. The constrictive pericarditis, valvular disease, and FFR chapters are impressive with echocardiographic and physiologic correlations. I actually liked everything I read, like the nice differentiation between the pressure tracings of various chambers. Some of it requires multiple reads but it is worth it. I realized that I had missed a great deal of the basic understanding of pressure tracing configuration, wedge pressure, shunts.
There are also over 50 cases in a test-answer format probably covering and reviewing most hemodynamic topics. It is like 2 books in 1.
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Reviewed in the United States on March 14, 2013
★★★★★ 3
Black and white
Format: Paperback
Bought this book. Good content. However my copy is in black and white. There are references to colored arrows. I later learned that others have a colored copy.
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Reviewed in the United States on January 30, 2026
★★★★★ 5
AMAZING BOOK!!!!!
Format: Paperback
AMAZING BOOK!!!!!! WOW!!! everything you need to know about hemodynamics.
This book explains the concepts with graphing, images. It also summarizes the key points.
I wish I have read that book sooner.
I could not believe it that in 1 book I found all the information I needed for the cardiology boards and my daily practice.
Thank you o ugh Dr. Hanna for taking the time to write this book. Much Thanks!!!!
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Reviewed in the United States on September 5, 2020
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