The motor can be powered through third-party devices. Do not use an extra device to power the DJI Focus Pro Motor when it is already powered (e.g., by the DJI Focus Pro Grip), as this may cause device damage. *DJI RS 4 Pro can be used with up to two motors simultaneously, while DJI RS 4 only supports one motor. The motor can be powered through third-party devices. Do not use an extra device to power the DJI Focus Pro Motor when it is already powered (e.g., by the DJI Focus Pro Grip), as this may cause device damage. The motor features a built-in RF antenna that allows for linking with the DJI Focus Pro Hand Unit. When paired with the DJI Focus Pro Grip, the grip can power the motor via the USB-C port. Compatibility: DJI RS 4 Pro, DJI RS 4, DJI RS 3 Pro, DJI RS 3, DJI Focus Pro Grip, DJI Focus Pro Hand Unit, DJI Ronin 4D Flex In the Box: Focus Pro Motor × 1, Motor Rod Mount Kit × 1, Focus Gear Strip × 1, Multi-Camera Control Cable (USB-C, 30 cm) × 1, FIZ Sticker × 1‌, 15mm Rod × 1, 10mm 1/4"-20 Screw × 2