Power Battery (2 Pack 1200mAh Batterys) and Dual Charger with Micro USB Cable Extra Power Kit for Gopro Hero4 Hero HD 4 For GoPro HERO 4 HD Hero4 Dimension: Approx. 57x45x21mm/2.2x1.8x0.8". Weight: Approx. 50g 100% New In good Condition Suitable for: GoPro HERO 4 AHDBT-401 Brand: Genuine Dualane