Installation was super easy and had no problems at all.
First of all I was hesitant to even buy the Fitbit charge 2 because it wouldn't make sense for me to get it unless I was able to wear it consistently.
My day job is fairly physical and my concern was damaging the Fitbit.
I was lifting a heavy case and moving it to the side to place it on the lower shelf of a metal cart when my wrist struck the edge of the cart.
The edge of the cart struck the face of the Fitbit and this product did its job.
Package is incomplete (missing pieces) and without instructions, hardly any labels on the box too.
Very confusing product.
I'm guessing the reviewes here aren't genuine.