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# 249340 6-May-2019 20:09
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Looking to buy a dash cam (probably Xiaomi 70 Mai).
SD card had to be either 16, 32 or 64GB.
Does it actually matter, if it's only 16GB (since it's looping anyway)?

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  # 2231917 6-May-2019 20:10
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depends on how often you will be doing manual recordings and then taking stuff off it


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  # 2231923 6-May-2019 20:15
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Currently mine has a 16GB. unless i take content off it on regular basis's it steadily fills up with saved content.

 

 

 

Maybe i save content too often?

 

I'm looking to grab it a 64GB card since i always forget to bring it inside and honestly... they aren't really a great app experience.  





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  # 2231943 6-May-2019 20:19
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Dumb question coming up (but I've never owned a dash cam, hence the question):

 

Why would you record, if there's no important footage? Wouldn't you only record, if there's an idiot driver or an accident?

 

Also, does it affect the card, if it's constantly overwritten? That's how dash cams work, right?


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  # 2231947 6-May-2019 20:26
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I think I only have a lowly 32 gig stick in mine. It doesn’t really matter the size because you can press a button to make them keep the current record chunk. Typically they record one file for 10 minutes say, then when you press the button it marks that file and doesn’t rotate over it.

Just remember to hit that button - I’ve been so freaked out by a near head on at 100kph (other car was much more than that due to passing and trying to finish the pass before reaching myself and my family) that I actually forgot to press it.

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  # 2231948 6-May-2019 20:27
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danepak:

 

Dumb question coming up (but I've never owned a dash cam, hence the question):

 

Why would you record, if there's no important footage? Wouldn't you only record, if there's an idiot driver or an accident?

 

Also, does it affect the card, if it's constantly overwritten? That's how dash cams work, right?

 

 

i live in auckland.... and work in CBD. 

 

 

 

i see alot...





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  # 2231953 6-May-2019 20:29
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The camera I want, records 1 min increments.

 

Does it make a difference, if I go for a 16GB card or should I really spend the money and get a 32GB or 64GB?

 

489 1 minute videos is about 8 hours on a 64GB card (I've read)


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  # 2231957 6-May-2019 20:40
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danepak:

 

The camera I want, records 1 min increments.

 

Does it make a difference, if I go for a 16GB card or should I really spend the money and get a 32GB or 64GB?

 

489 1 minute videos is about 8 hours on a 64GB card (I've read)

 

 

I bought a 128gb samsung endurance card, as 64gb wasn't quite enough. On a tauranga to auckland trip, I'm looking at around 9+ hours driving over the weekend.  

 

It depends how organised you are really. Maybe your device has a save button you can click to store for later retrieval? 

 

The cost diff between a 16/32/64 card is not that huge.  On amazon, a suitable card sells for $8.89/11.15/17.91 respectively.   

 

 

 

 


 
 
 
 




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  # 2231961 6-May-2019 20:46
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surfisup1000:

 

danepak:

 

The camera I want, records 1 min increments.

 

Does it make a difference, if I go for a 16GB card or should I really spend the money and get a 32GB or 64GB?

 

489 1 minute videos is about 8 hours on a 64GB card (I've read)

 

 

I bought a 128gb samsung endurance card, as 64gb wasn't quite enough. On a tauranga to auckland trip, I'm looking at around 9+ hours driving over the weekend.  

 

It depends how organised you are really. Maybe your device has a save button you can click to store for later retrieval? 

 

The cost diff between a 16/32/64 card is not that huge.  On amazon, a suitable card sells for $8.89/11.15/17.91 respectively.   

 

 

My plan was to get the dash cam, so I can record, if I'm involved in an accident, or I see a crazy driver and want to report him/her.

 

Not sure about he save / retrieve later button.

 

https://www.70mai.com/en/

 

 


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  # 2231973 6-May-2019 21:14
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"1944P" lolwut ok.

 

 

 

i record at 1440P30fps, that's around about 18mbit VBR. or 130MB/min.

 

 

 

May not seem like much, but somehow it does tick up fast...





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  # 2231980 6-May-2019 21:18
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Sorry, this it the one:

 

https://www.70mai.com/en/dash-cam

 

 

 

I previously linked to the Pro version


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  # 2231983 6-May-2019 21:21
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danepak:

 

Why would you record, if there's no important footage? Wouldn't you only record, if there's an idiot driver or an accident?

 

My plan was to get the dash cam, so I can record, if I'm involved in an accident, or I see a crazy driver and want to report him/her.

 

Not sure about he save / retrieve later button.

 

 

You can't save something that happened. If it isn't recording it already...

 

Thats how they work. Constant recording. Same as home security NVRs




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  # 2231993 6-May-2019 21:24
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Oblivian:

 

danepak:

 

Why would you record, if there's no important footage? Wouldn't you only record, if there's an idiot driver or an accident?

 

My plan was to get the dash cam, so I can record, if I'm involved in an accident, or I see a crazy driver and want to report him/her.

 

Not sure about he save / retrieve later button.

 

 

You can't save something that happened. If it isn't recording it already...

 

Thats how they work. Constant recording. Same as home security NVRs

 

 

Yep, I get that.

 

But I'll have to encounter a LOT of road rage/idiots on the road/accidents, to fill up 16GB with material that I want to keep, don't I?

 

Or am I missing something?


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  # 2231997 6-May-2019 21:29
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danepak:

 

Sorry, this it the one:

 

https://www.70mai.com/en/dash-cam

 

 

 

I previously linked to the Pro version

 

 

i'd love to know what the "AI" is.

 

 

 

Mines a Garmin unit. Part of it's AI is leaving lane detection, Sounds cool in theory.... in practice OMG. It's not made the nz road lines. dotted lines it doesnt pickup but it sure does tell me when i'm hugging the verge of the road (i tend to drive a tad defensively given all the close calls that occur on the rural roads near me.)

 

 

 

The early collision warning and traffic moving is pretty decent with adjustable sensitivity. they can bug me a little in traffic sometimes, but i typically travel outside of peak times, so i dont configure it expecting that usecase.

 

 

 

Incident detection i'm yet to see if it works in a real situation, it can be a little sensitive to the most rough of roads though. (Nature of the beast, to a gyroscope they both appear quite the same)





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  # 2232000 6-May-2019 21:31
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danepak:

 

Yep, I get that.

 

But I'll have to encounter a LOT of road rage/idiots on the road/accidents, to fill up 16GB with material that I want to keep, don't I?

 

Or am I missing something?

 

 

That depends. Some people document roadtrips (I did a Kaikoura run post EQ). And the smaller the card. The less travel time you can record in a hit before it's over-written. That may be as little as 1-2hrs. Also varied recording rate (and how bright it is outside) so the write count on a smaller one will also be higher.

 

Comes down to how often you want to pull it from the camera and deal with the saved stuff. If you only do it when you crash. Go right ahead, use an 8Gb. But if you want the temporary storage space to show the world what morons are around us or refer to stuff from some weeks back cause you forgot to hit the 'save this clip'. Get a larger card.


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  # 2232006 6-May-2019 21:41
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Have a 32g in my Garmin 55,would go for a 64gb though

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