【100m Smooth Focus Control】: SmallRig MagicFiz Remote Follow Focus 3781 provides stable wireless lens control at long-distance up to 100m, and can quickly switch between 16 channels for enhanced anti-interference performance. When powered by a PD power source, it comes with a strong torque of up to 0.5 Nm. It works with Φ49/Φ52/55/58/62/Φ67/72/77/82/86/80/85/90/95/114mm DSLR camera lens and cine lens. | 【All-Day Battery Life】: The handwheel controller features a built-in 1400mAh battery that lasts up to 20 hours. The receiver motor supports PD / QC fast charging protocol and can be powered in multiple ways - by using its USB-C input with the L-series battery plate (ID: 3777), by D-Tap to USB-C Power Cable (ID: 3266) or DC to USB-C Power cable (ID: 3268) with V-Mount battery (ID: 3579/3580). | 【User-friendly OLED Screen】: The controller features an ultra-low-power yet clear 0.96" OLED screen with RGB lighting effect and vibration warning, and the motor features a 0.52" OLED display that provides calibration data. | 【Versatile Shooting Scenarios】: With a unique modular design, our MagicFIZ wireless lens control system provides everything you need to control your lens focus, no matter whether you are in a one-man crew or teamwork. You can add a wireless handgrip (ID: 3917), motor (ID: 3263), control cables, and other Eco-accessories for multi-scene shooting. | 【One-Click Lens Calibration】: The handwheel controller comes with a power failure memory function to save recalibration and A-B point settings. The kit also allows you to control run/stop on your camera using an optional cable. | 【Please Note】: 1. The Motor and Handwheel Controller can be operated only under the same frequency band and number. 2. A calibration is required when Wireless Receiver Motor reverses rapidly or the Wireless Handwheel Controller screen displays abnormal location information. 3. Please refer to the Wireless Follow Focus System User Manual before use.