CowboyStudio Infrared Wireless Remote Control for Canon Legria/Vixia Camcorders HFM50 HFM52 HFM56 HFG10 HFS20 HFS21, RM-D89 One (1) infrared remote control Battery Type: 1x 3V CR1025 lithium battery. Operation distance: 1cm-10meters. Dimensions: Approx. 86.0 X 10.5 X 11.5 mm. RM-D89 replaces CANON WL-D89 wireless Controller.