SmallRig Wireless Remote Controller for Select Sony / Canon / Nikon Cameras 3902 1. Triggers shutter and recording from a distance for easier control and less shake 2. Multiple mounting solutions for a variety of scenarios 3. Compatible with popular Sony, Canon, Nikon mirrorless cameras 4. Bluetooth connection, more stability and longer range than infrared remote control 5. Bottom cold shoe mount is easily to be mounted on camera cage and handle with cold shoe mount 6. Bluetooth connection works fast and reliably within a radius of 10 meters/32.8ft 7. Automatically paired with camera quickly save time.