Neewer LCD Timer Shutter Release Remote Control for Canon 760D/T6i 700D/T5i, 650D/T4i, 550D/T2i, 500D/T1i, 350D/XT, 400D/XTi, 1000D/XS, 450D/XSi, 60D, 100D, and PentaxX-1L GX-1 Two-stage release button: Halfway pressing for auto-focus, complete pressing for taking pictures. Power source: Two AAA-type batteries (2XAAA Batteries not included) Battery life: Approximately two months of continuous shooting with a delay of 5 min, an exposure time of 4 min 56 s, and an interval of 5 min. Timer delay: 0s to 99hrs 59min 59s in 1s increments Full functions supported as the camera shutter switch (with halfway or complete pressing)