K&F Wireless Lavalier Microphone System for DSLR Camera Smartphone Tablet and More - M8 • Lavalier microphone system perfect for DSLR Videography, Interviews, Broadcast TV and more • The system includes a camera-mountable wireless receiver and a wireless body-pack transmitter with clip-on lavalier mic • Provides dependable Audio broadcasting and delivers interference free, broadcast quality audio • Transmitter and Receiver use LCD to Display the status of Battery level and operating Channel • Pickup Range up to 20 meters with dual head complementary noise interference pick-up technology • Functions include Frequency Range of 638 to 648 MHz, Frequency Response of 40 Hz to 12 kHz and 6 Channels • 180° Rotary clip allows you to easily clip the Mic to your collar, tie or pocket • Power Battery AA x 4