Meike N3 LCD Timer Shutter Release Control for Nikon D750 D7100 D7000 D5300 D5200 D5100 D5000 D3300 D3200 D3100 D610 D600 D90 Df LCD panel can be illuminated Cable length: 920mm;Power supply: 1.5V, AAA Battery x2 Good for time-lapse photography such as flowers blooming and astrophotography. The timer remote switch allows you to set any delay (in 1 second increments) up to 99 hours, 99 minutes and 99 seconds. Except for replicating all functions of a camera's shutter release button, it still has the function of Self-Timer, Interval Timer, Long-Exposure Timer and Exposure Count.