The Steadicam Curve a gimbal-based handheld stabilizer for GoPro HERO, HERO2, HERO3, HERO3+, and HERO4 action cameras. It requires the LCD BacPac for proper balance and monitoring. Once properly balanced, the Steadicam Curve is designed to allow you to capture extremely smooth shots without restricting your range of movement. Since the HERO models the Curve is compatible with lack optical image