JJC RM-D89 Wireless Remote Control For Canon HF G20 HF M50 HF M500 HF M52 HF M506 HF-M52 HF M52 HF M56 HF-G10 H30 HF-M40 HF-M400 HF-S20 HF-S200 HF-M32 HF-M31 HF-M300 HF-S21 Battery Type: 1x 3V CR2025 lithium battery Mass: 22g Approx. 86.0 X 40.5 X 11.5 mm Operation distance: 1cm-10meters