The SmallRig 3262 wireless handwheel controller is the control unit for the wireless follow focus system. It has a 1400mAh battery that lasts approx. It lasts for 20 hours and has a power failure memory function that saves you from repeated lens calibration and AB point adjustments, thus improving the efficiency of your shots. The ultra-low-power 0.96" OLED screen with RGB lighting effect and vibration warning function provides a simple but effective interaction experience. The wireless hand controller cooperates with the wireless hand grip (3780) to control the focus for up to 29 hours and the zoom with the wireless receiver motor.The BLE module supports the wireless REC start/stop, which can also be done with the control cables (3325, 2971, 2970, depending on the camera model). In addition, the high-precision BLDC control algorithm and anti-interference encryption algorithm further guarantee low latency and stable tracking focus.