 " GoPro Dual Battery Charger + (for HERO4 Black/HERO4 Silver) (GoPro Official Accessory) "@en-US "GoPro | Com"@en-US
"Compact Dual Battery Charger for HERO 4 batteries. Charge using any powered USB source (AC Adapter, Car Adapter, Laptop, etc.). "@en-US 
 Item Weight 0.34 pounds Item Size 4.17 x 7.09 x 7.09 inches Package Weight 0.35 pounds Package Size 4.57 x 1.97 x 1.97 inches Units in Package 1
 "GoPro Dual HERO System for HERO3+ (Camera not included)"@en-US "Accessories - Page 791 | EISF"@en-US
"Capture a wide variety of content with the Dual HERO System. The tandem housing holds two HERO3+ Black Edition cameras (sold separately), enabling you to capture full-resolution videos and/or photos simultaneously with uncompromised image quality. You can also record synchronized footage to convert to 3D using free GoPro Studio editing software. Waterproof to 197'/60m. Compatible with Hero3+ Black Edition Cameras ONLY"@en-US 