Smatree&reg; Chest Belt Strap Harness(Black) + Battery(1200mAh x 2 Packs)+ Charger Kits+J-Hook Buckle Mount+Thumbscrew/Thumb Screw Knob for GoproHD HERO3+, HERO3,AHDBT-201,AHDBT-301, AHDBT-302 Smatree Chest Belt Strap is compatible with GoPro HERO HERO2 HERO3 HERO3+,even the original Gopro cameras Chest belt strap is comfortable, fully-adjustable design and fits all shapes and sizes, including over large jackets Smatree Battery : Made with high quality Japanese cells, 1200mAh Smatree Battery(2 Packs) and Charger Kits is fully compatible with for Gopro HD HERO3 HERO3+ 2 year warranty,30 days money back no hassel