It sports an electric sound speaker, shutter release active lamp, interval timer, long exposure (it can use interval timer and long exposure simultaneously), self timer, TIME exposure and a release hold mechanism. Take photos without touching your camera and take pictures at regular intervals for time-lapse projects | Timer functions can be set to 99 hours 59 minutes and 59 seconds in one second increments. Number of shots can be set from 1 to 399; Double dash ( - - ) unlimited. LCD display with backlight and status LED with alarm. A locking two stages shutter button (BULB) | Compatibility with Olympus OM-D E-M1, E-M5 Mark II, E-M5, E-M10 Mark II, E-M10; PEN PEN-F, E-PL8, E-PL7, E-PL6, E-PL5, E-PL3, E-PL2, E-P5, E-P3, EP-1, EP-2, E-PM2, E-PM1, E30, E100, E400, E410, E420, E450, E510, E520, E550, E600, E620, SP-510UZ, SP-550UZ, SP-560UZ, SP-565UZ, SP-570UZ, SP-590UZ, SP-810UZ, XZ-1, XZ-2, Stylus 1, Stylus 1s, SP-100EE, SH-60, SH-50, SH-1, SH-2, SZ-31MR, SZ-30MR, SZ-20, SZ-14, SZ-11, SZ-10, SH-21, SH-25 | NOTE: NOT FIT Olympus OM-D E-M1X, E-M1 Mark II, E‑M1 Mark III, E-M5 Mark III, E-M10 Mark III