Just be sure that it can 'see' wind coming from all directions and that it doesn't read air temperatures from hot surfaces (concrete, roofs, etc.) If you can mount it to a free-standing mast that would be ideal. 

No, you need to insert the memory card to access the shooting and recording. 

Yes, with a maximum support of 512GB memory cards. (Memory card needs to be purchased separately) 

You can't use 526GB Micro SD Card, this digital camera supports maxium 32GB Micro SD Card(32GB Class10 U1 Micro SD Card was recommended). Thanks for your kind asking. 

1.I’m sure it’s glass - when I clean mine with isopropyl alcohol they make that ‘squeaky’ noise you get with glass rather than plastic, and they’re more resistant to scratches than most plastics are. According to manufacturer website K & F use German optical quality glass so I’m sure they would have been called out for that a while ago if it wasn’t true 2.I drop one last year and it broke like glass ..I’ve found them easy to clean and well made. 3.Looks and sounds like glass to me 4.HD optical glass 5.As far as I can tell it is glass. Excellent optical qualities