Revo Replacement Doors and Caps for HERO4/HERO3+/HERO3 Lens Cap for Naked HERO4/3+/3 | Lens Port Cover for Standard Housing Port Cover Also Covers Power Button | Replacement Battery Door for HERO3+ Replacement Side Door for HERO4/3+/3 Includes: Battery Door for HERO3+/HERO3, Circular Lens Cap for Naked GoProHERO4/HERO3+/HERO3 Camera, Lens Port and Power Button Cover for Standard Housing, Limited 1-Year Warranty, Replacement Side Door for HERO4/HERO3+/HERO3