Fail-Safe Long Range FM Transmitter--X-Treme Series FSX-05B--FCC CERTIFIED<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> FCC Certified: Z9V001 </span></li><li><span class="a-list-item"> Custom Reverse Thread antenna port for FCC Certification and range optimization and stability. </span></li><li><span class="a-list-item"> 3-Way Audio Inputs convenient for virtually all interfacing </span></li><li><span class="a-list-item"> Convenient user defined controls for fast sound and frequency optimization </span></li><li><span class="a-list-item"> Durable chassis for long-term 24/7 rugged use </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2BVg69btvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41D7B2FZ4FL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Qa2QCVwzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41o6k%2BXPKvL.jpg" noproxy>