Extra Battery Holder Grip Designed exclusively for the OM SYSTEM OM-1 to extend battery life and shooting time.. Vertical Shooting Controls Provides the same shutter release and control layout in vertical position as in horizontal.. Durable Construction IP53 dustproof and splashproof when paired with the OM-1 camera body.. High Capacity Performance Supports dual BLX-1 Lithium-Ion batteries for up to approximately 1,000 shots (CIPA standard).. Convenient Charging Allows in-body charging of BLX-1 battery while attached to the OM-1.