The DJI RS 4 COMBO is a high-performance gimbal that provides stable shooting. - Model: DJI RS 4 COMBO - Accessories: Carrying case, full set of accessories - DJI RS Smart Tracking Module - DJI Ronin Raven Eye Image Transmission System - SmallRig Wireless Control Dual Handgrip for DJI RS Series - SmallRig Sling Handle & Shoulder Strap Lightweight Sling Handgrip Kit - SmallRig Gimbal Counterweight Clamp Thank you for viewing. I am selling it because I haven't had time to use it. It comes with a variety of custom parts, as shown in the photos. I don't think you'll need to add anything, I think those with knowledge will understand. There are scratches on the handgrip connection part due to use.