This RGBS wireless timer remote shutter release is ideal for time-lapse photography including blooming flowers and astrophotography. Features: Anti-vibration: With wired or wireless remote control, it can avoid damaging image integrity and quality caused by camera vibration when you press camera shutter 2.4GHz Wireless Control System: Using international 2.4G transmission technology, it's stable and quick response to shutter.Timer Functions:Timer Schedule Delay, Timer Schedule Exposure Time, Timer Shooting Number of Shots, Repeat Timer Schedule Interval Time, Repeat Timer Schedule Times.Shutter Functions: Single Shooting, BULB Shooting, Delay-consumption LCD Screen: We uses low-consumption LCD panel to reduce its power consumption and extend working time's easy and clear to handle.Battery specification: Emitter AAA*2 (2.4V to 3.2V)Receiver 650mhA CR2 3VBattery stand-by time: Transmitter 1yearReceiver 2000 hoursShutter interface: 2.5mmDimension: Emitter 155*48.5*20mmReceiver 61.5*38*20mmWeight: Emitter 63.5gReceiver 15.5g Compatible with:Canon EOS 1200D 1100D 1000D(Rebel XS) 450D(Rebel Xsi) 400D(Rebel Xti) 500D(Rebel Tli) 550D 350D(Rebel XT) 300D(Digital Rebel) 300 300V 50E 50 33 100D 550D 600D(Rebel T3i) 700D 750D 760D 60D 70D etc.