1. Easy to use, just plug and use. 2. Shutter release button with lock for long exposures shooting and continuous shooting. 3. Halfway pressed button for auto-focus and exposure metering. 4. Use this shutter release to avoid camera vibration and get sharper pictures. 5. It helps preventing vibration during long exposures (time-lapse photography), close-up (macro photography) or continuous shooting. 6. Compatible with Fujifilm X-T100 / X-Pro2 / X-T1 / X-T20 / X-T10 / X30 / X-E2 / X-A10 / X-A3 / X-A2 / X100F / X100T cameras.