The Floaty Backdoor is compatible with ALL HERO3, HERO2, and HD HERO Original Cameras
The Floaty will not support the weight of the suction cup mount. The suction cup mount is not recommended for high impact water sports.
Also, the Floaty will not support the additional weight of a BacPac when used with the HERO3 camera. HD HERO Original or HD HERO2 + BacPac will still float.