Product information Item Weight 150 Grams Impedance 50 Ohm Microphone Form Factor Microphone Only Item dimensions L x W x H 10.75 x 2.25 x 5.25 inches Power Source Battery Powered Number of Batteries 2 AA batteries required. Material Metal Signal-to-Noise Ratio 80 dB Hardware Platform Television Number of Channels 1 Frequency Range 20Hz - 20kHz Frequency Response 20 KHz Noise Level 18 dB Global Trade Identification Number 00698813000456 Manufacturer RØDE Microphones UPC 889406150591 644535658604 698813000463 698813000456 Product Dimensions 10.75 x 2.25 x 5.25 inches Item Weight 5.3 ounces ASIN B00093J07C Item model number NTG1 Batteries 2 AA batteries required.