Polaroid Handheld 3-Axis Electronic Gimbal Stabilizer for GoPro Hero 3/3+/4 Action Cameras LIGHTWEIGHT, ERGONOMIC STABILIZER  Pro Gimbal Device Stabilizes GoPro Hero 3, 3+ or 4 [With or Without LCD BacPac] in Real Time for Seriously Sharp Footage SUPER SMOOTH PERFORMANCE  Mount Your Action Camera to Achieve Super Smooth Panning & Tilting Motions; Eliminate Bumps & Vibrations for Perfect Results EFFORTLESS ON-THE-GO INSTALLATION  No Tools or Accessories Needed! Use the Included Mounting Ring & Screw to Easily Affix Any Compatible GoPro Camera LONG-LASTING RECHARGEABLE BATTERIES  Electronic Motors Run on [3] 3.7-Volt Batteries [Rapid Charger Also Included]; Shoot for Hours On Set or Off the Grid COMPACT, PORTABLE DESIGN  Lightweight Gadget Weighs Just 11.43 Ounces & Measures 9.25 x 3.94 x 3.5; Keep In Your Bag or Backpack for Anytime Stability