PIXEL RW-221/N3 Wireless Shutter Remote Control Release for Canon EOS 7D, 5D Series, 1D Series, 6D, 50D, 40D, 30D, 20D, 10D Camera 1. RW-221 is a high-performance wireless shutter remote control. 2. Supports camera single shooting, 1S continuous shooting, BULB and delay shooting function. 3. Using FSK2.4GHz wireless control system, the remote distance can up to 100M+. 4. Available to control different brands cameras and models by changing different camera connecting cable. 5. Powered-by AAA batteries. With advanced satin-finished process, it looks more fashionable and exquisite.