Sun Tracker Depth Finder
Related Faq
Q
Can I use this filter to point directly at the sun for an image please?
A
Please dont !!! . ND of 10 stops is nowhere near enough for sun photos. You risk damage to your eyes whilst setting up shot also your camera sensor wont appreciate it. 
Q
Does this workout tracker watch have a compass function?
A
Yes. 
Q
Is this only for output? Can I charge the panel prior to needing the sun
A
Thank you for your information, yes, the panel only has the function of output, its principle is to collect the sun's ultraviolet rays in the sunlight and convert them into electricity to charge the energy storage power supply, etc. Thank you! 
Q
I have been charing this by sun and with a wall outlet. I see a red light, but it won't charge anything. Can someone please help me?
A
It does not have a battery, so it will not charge. It charges batteries of other devices (batteries) or other batteries. For example, you use it to charge a battery pack during the day. When the sun goes down you connect the battery it charged to charge something, like a cell phone, to charge it up. You can also charge a phone (battery) with it while it is in the sunlight. 
Q
I need a replacement strap. can someone make a recommendation that is guaranteed to fit the tracker?
A
Since I didn't need one yet, I might try the manufacturer 
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