<p><b>AODELAN camera shutter release consists of a transmitter and a receiver.Using 2.4GHz wireless transmission, 80m+ transmission distance.</b></p><p>The transmitter can control the receiver wirelessly to perform autofocus, single shot, delayed release of 3s, continuous release and long exposure (BULB);</p><p>The receiver can also be used as a wired shutter remote to do auto-focus, single shot, continuous release(bulb).</p><p><b>Shutter button on Transmitter and Receiver: Half press to auto-focus, fully press to take photo.</b></p><p><br></p><p><b>Please note:</b></p><p><b>1. AAA batteries are not included.</b></p><p><b>2.A transmitter can control multiple receivers simultaneously. A receiver can receive signal from one transmitter only.</b></p><p><b><br></b></p><p><b>Package include: </b></p><p></p><p>1* Shutter Release Transmitter (with built-in battery)</p><p>1* Remote Control Receiver</p><p>2* Sync Cable for Canon<br></p><p>1* Instruction manual</p><p>2* Lanyard sling</p>