Overview: The hand unit features a built-in RF module and supports wireless communication with the DJI Focus Pro Motor from up to 160 meters away. It supports FIZ control over the focus, aperture, and zoom, and features real-time, stepless damping adjustment to balance comfort and precision. Tips: The hand unit utilizes the NP-F550 battery model commonly available on the market. The dimensions should be 71×38.6×21.1 mm (L×W×H). Make sure to purchase batteries according to these specified dimensions. In The Box: Focus Pro Hand Unit × 1, D-TAP to USB-C Power Cable (50 cm) × 1, Replaceable Focus Marking Ring × 4 Specifications: Transmitter Power: < 20 dBm (CE/SRRC/MIC), < 26 dBm (FCC). Dimensions: 128×87×87 mm (L×W×H). Weight: 555 g (without battery).Static Power Consumption: 0.83 W.Operating Temperature: -20° to 45° C (-4° to 113° F) (excluding battery temperature). Compatibility: DJI Focus Pro Motor, DJI Ronin 4D*, DJI Inspire 3*.* Requires the DJI High-Bright Remote Monitor