Small enough to fit in the memory card compartment of camera bag

None experienced to date

Doesn't work with later Nikon 'D" cameras like D800, which doesn't have an IR port

Works well. Makes slow shutter speeds easy

None

Does exactly what it says on the tin

Not really a bad point, but very east to loose, as it is seriously small

Small, light and extremely useful for slow shutter speeds and macro photography especially when using a tripod

None found as yet

easy to use - press the button & camera goes off

non

Simple, easy to use and 100% effective

None

Price, ease of use, size. Great for bulb photography, click once to open shutter, click again to close

None

It works - what else matters

No Instructions about how to set up camers

Cheaper is better