The triggertrap dc0 mobile remote dongle kit allows you to trigger your nikon camera from your smartphone via the dc0 connector cable and a free downloadable ios and android app compatible dslr cameras nikon md3 dc0 d1h d1x d2 d2h d2hs d2x d2xh d2xs d3 d3x d3s d4 d4s d100 with mb d100 grip d200 d300 d700 d800 d800e d810 and d810a