Battery life, after installing the handle, you can install an extra battery to increase the power when .Increase the balance, the camera will lose balance after installing a lens, and the handle acts as a stabilizer.Vertical , vertical is more convenient when portraits.Protect the camera and prevent the camera from being bumped.With a dust/splash-resistant rugged design it allows for a more comfortable grip even when from vertical angles.Type: handleApplicable models: For RP mirrorless camerasPower supply system: use one or two LP-E7 batteries (not included)Product size: 133 x 99.7 x 70.8MMMaterial: ABScolour: blackPackage Contents:1 x Camera Handle1 x Connection Cable1 x Remote ControlOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.