• Bluetooth is adopted for the wireless system. Remote control is possible even if you have obstacles between the camera and the photographer • Fast and reliable response to button operation • Feedback function allows you to check the shooting status by turning on or flashing the LED • Designed to be dustproof, splashproof, high and low temperature for any shooting environment. No cable or receiver connection is required, so there is no need to open the terminal cover on the camera itself, and it also maintains the dustproof and splash-proof performance as a system • Communicates with the Bluetooth module on the camera itself. Achieve compact systems without external receivers. The Commander is designed with a thin lithium coin battery