FC-01 FHSS Wireless Follow Focus: (With the motor controller accessories and battery kit) 1. Equip withFrequency Hopping Spread Spectrum (FHSS) technology. 2. Response time:under 10ms 3.350ftcontrol range(100m) 4. Quick A/B Point Setting 5. Simple pairing and calibrating. 6. Support wireless and wired control. 8. Camera Recording Control at Your Fingertips. (extra camera control cable is required) 9. CW or CCW rotation direction switchable. 11. Portable Power Supply:Motor: 5-16.8V input;Controller: Powered by NP-FW50 battery 12. Intuitive OLED Display. 13. Quick assembly mounting to 15mm rod Compatible with most lenses via 0.8mm pitch gear.