Neewer LCD Timer Shutter Release Remote Control for Canon 700D/T5i, 650D/T4i, 550D/T2i, 500D/T1i, 350D/XT, 400D/XTi, 1000D/XS, 450D/XSi, 60D, 100D, and Pentax K100D,K110D, K10D, *ist Ds2, *ist D, *ist Ds, *ist, *istDL, *ist DL2 Samsung GX-1L, GX-1S, GX-10 Canon EOS 30, 33, 50E, 300, 300V, 3000, 50, 300D (Digital Rebel) 350D (Digital Rebel XT), 400D (Digital Rebel XTi), 450D (Digital Rebel XSi), 500D, 1000D Timer delay: 0s to 99hrs 59min 59s in 1s increments This timer remote cord allows the camera shutter to be released from a distance and prevents the camera from shaking. The timer can be set anywhere from 1 second to 99 hours, 59 minutes, 59 seconds. The buttons can be operated with a single thumb. Power source: Two AAA-type batteries  (Batteries not included)