found at DigiDirect
The Kondor Blue Remote Trigger Top Handle for Camera Cages - Black mounts on top of your cage or top plate using its NATO clamp. This universal, cheese-style handle features multiple 1/4-20, 3/8-16, and ARRI-style anti-twist threads, two shoe mounts, and a single 15mm rod port. The ARRI-style threads on the top feature pre-inserted 3/8-16 to 1/4-20 bushings so you have additional options for mounting your accessories.
The handle also features a start/stop button and a LANC port that can connect to a wide variety of camera models such as those from Z CAM, Blackmagic, Sony, Canon, Panasonic, JVC, and more. An 28cm long 2.5mm LANC cable and a 30cm long micro-USB cable for Sony Alpha series cameras are both included. The grip of the aluminum handle features a smooth, ergonomic design for added comfort and grip.