Model: TC-252 S1 - Model: single continuous bulb delay shooting modes; and also timer planning shooting mode - Delay shooting can be set the time and number of shoot; delay time is 1s to 59s; number of shoot is 1 to 99 pictures - Timer planning mode can be set the time between 0S to 99H59M59S - It can be used as normal shutter release when this product without battery - 1.3 LCD display to showing function it's easy to understand and operate - Compatible with SONY: DSLR 900 /850 /700 /550 /450 /400 /350 /300/200/100Konica Minolta: DIMAGE 2/1/9/7Hi/7i/7/5/4/3 DYNAX 7D/5D - Powered by 2 x AAA batteries (included) - Comes with connection cable (150cm-full length) - English user manual included