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Description
Indoor Haze Dust Formaldehyde Air Quality Detector1. Material: ABS 2. Display mode: 2. 8 inch LCD screen display, 320 x 240 pixels 3. Atmospheric pressure: 86Kpa 106Kpa 4. Detection method of PM: laser scattering 5. Sampling time: 1. 5 seconds 6. Detection temperature: 10 degrees celsius to 50 degrees celsius 7. PM (PM2. 5 1. 0 10) concentration unit: ug cubic meter 8. Concentration unit of HCHO and TVOC: mg m3 9. Power supply: 2000mAh lithium battery; 5V DC power charging via USB port 10. Can detect
1. Material: ABS
2. Display mode: 2.8-inch LCD screen display, 320 x 240 pixels
3. Atmospheric pressure: 86Kpa - 106Kpa
4. Detection method of PM: laser scattering
5. Sampling time: 1.5 seconds
6. Detection temperature: -10 degrees celsius to 50 degrees celsius
7. PM (PM2.5/1.0/10) concentration unit: ug/cubic meter
8. Concentration unit of HCHO and TVOC: mg/m3
9. Power supply: 2000mAh lithium battery; 5V DC power charging via USB port
10. Can detect formaldehyde (HCHO), total volatile organic compounds (TVOC), particles less than 2.5 microns in size (PM2.5/1.0/10), temperature and humidity, with clock and recording functions
11. Onboard fan draws ambient air for more accurate real-time results
12. The formaldehyde alarm threshold is 0.1 mg/m3, if the HCHO level exceeds this alarm threshold, the device will sound a short beep alarm
13. Product weight: 183 grams
14. Product size: 164 x 69 x 44 mm
Packing list:
- Air quality monitor x 1
- Micro USB charging cable x 1
- Product manual x 1
Specification:
| Package Weight |
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4.4 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Must read book on African colonial sociology and politics
Fanon describes the character of (European) colonialists, the colonised Africans (the "masses" - rural and urban, the elites, the nationalists, the tribalists) wonderfully. The book is wonderfully written - Fanon must have been a good writer.
Fanon is a psychiatrist, and worked in Algeria as psychiatrist, but he many have travelled other African countries too. His book shows his deep knowledge of both African and European sociology, psychology and politics. The book is still relevant; his analysis as to what will happen after the liberation of African countries is amazingly valid. He is in a way one of the most important African (though he is born in Latin America) sociologist and political scientist.
Fanon's book starts on "violence", he doesn't shy away from prescribing violence in the struggle for liberation. Some find Fanon advocating violence, but that is not the case. He puts in perspective the violence perpetrated by colonists against the resulting reaction that culminates in the violence of the colonised. His clear analysis demystifies the violence that still grips Africa.
Unfortunately Fanon seems to put all European in Africa as colonists. Many cases from South Africa show that that should not be the case. But his views may be due to the brutal repression he has to witness and experience in Algeria by the French government and French citizens there.
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Reviewed in the United States on March 13, 2010
★★★★★ 5
Colonialism not dead yet
This is a review of the 2004 Grove paperback edition of Frantz Fanon’s The Wretched of the Earth
The Wretched of the Earth is the most famous work of Algerian revolutionary Franz Fanon (1925-1961) finished and published shortly before his death (he died of leukemia). Fanon is known above all as a theorist of revolutionary violence and a champion of its therapeutic good for the oppressed. However, this book is not about armed struggle only; it covers many other topics: theory of class conflict in colonies, revolutionary process and subjects of social change in the Third World, the future of new independent states (former colonies), strategies of building Third World—First World relations in a right way, the relationship between the struggle for national culture and national liberation struggles, consequences of colonialism for both the colonizer and the colonized, etc. It’s a book of an angry man; the author's revolutionary pathos and standing with the oppressed (‘the wretched of the earth’) are noticeable.
Though Fanon wrote his book drawing on the experience of the Africa of the 1950s an acute reader can easily notice similarities and parallels with what’s going on in the underdeveloped countries all over the world.
The book can be of particular use for anthropologists, historians, philosophers, sociologists, as well as for those interested in cultural studies. I prefer Richard Philcox’s translation to the one published in 1963. Citizens of the global South can skip Jean-Paul Sartre’s preface; let the author speak for himself.
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Reviewed in the United States on September 17, 2019
★★★★★ 4
Influential and Insightful
Frantz Fanon's The Wretched of the Earth is an important document in the history of imperialism capturing the state of the Algerian revolution and the struggle for independence in the Third World at a crucial time. The year was 1961, and the book was published just before Fanon's premature death. Algeria was a year away from independence. The Congo had just achieved a travesty of independence. The Cuban revolution was still fresh.
Fanon was born in Martinique but was fully committed to the Algerian cause by the end of his life. His insights into the pitfalls threatening newly-independent nations have proved to be uncannily accurate. His voice is of his time and ahead of his time.
I would recommend this book to those wanting to learn more about the Algerian War and to those curious about the huge effect of this book on the leftists of the 1960s.
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Reviewed in the United States on September 28, 2013
★★★★★ 5
A SIXTIES CLASSIC WE HAVE MOVED ON FROM OR BACK OF/
Format: Paperback
i am 90 years old. i was a student in the 60s but i had already served in the military so i was already in my 30s. Which meant with a wife and twins i was more concerned with earning a living and finishing my doctorate than participating BUT it was a time when we swung one way as a nation and we were part of the post war swing of the world. The world had developed empires, WW1 began their downfall, ww2 pretty much finished the rest BUT it opened the door for new imperialism. On one hand colonialism melted away. The greatest empire ever, the British faded to legend and an island itself breaking up. American imperialism sprouted along with Soviet. And now China and Russia. One old model, Russia, one new model China. But the world i cyclical not progressive so China may become another imperial power. Fanon is an antidote as are other writers of the 60s so good to see new editions. Many rebels are now out of print. History is always ignored but it is always present.
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Reviewed in the United States on July 12, 2022
★★★★★ 5
An Important Text for All Those Engaged in The Struggle
Format: Paperback
The type of text that can bring about a breakthrough in consciousness, it places world affairs in perspective for the seeker of an authentic African consciousness.
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Reviewed in the United States on May 19, 2025