Compatibility: The camera shutter release button is compatible with Fujifilm XT30 XT3 XT20/T20 X100T/100F X10 X30 XE2/E3. Not Falling Off: Comes with 1pcs anti-slip O-ring designed to ensure a tight attachment on cameras. Easy To Use: Just screw the release button into shutter release button\'s threads then you could enjoy the steady shutter release operation. Package Contents: 1pcs camera shutter release button and 1pcs black rubber ring. Material: The copper material offers corrosion resistance and excellent stability. Material Copper Colour Black/Silver (Please choose the colour you need) Type Shutter Release Button Brand Unbranded/Generic MPN MEM94905098790 .