The pick-up pattern of the built-in microphone on camcorders is omni-directional, meaning that it picks up all sounds from every direction, no matter which direction you point the camcorder. The ECZ-990 is ultra-small, ultra-lightweight, 6" long, directional, or "zoom" microphone with a super-cardioid pattern (ellipse shaped). It will pick up your subject's sound more clearly, reducing side noises. With 2 positions, narrow and wider, the ECZ-990 has a range of 35 feet, uses 1 "AAA" battery. Frequency Response 150~18,000 Hz Output Impedance Long: 5 Ohms (at 1kHz) Short: 660 Ohms (at 1kHz) Range 35 feet Power 1 AAA Output 3,5mm Stereomini plug Dimension 18.2 × 77mm  Weight 70g Weight in Retail box 200g		Japan Made. Highest manufacturing standard Contents .. Azden ECZ-990 Wind Screen Sponge Shoe Mount Velcro Supplied by Authorized Resellers in Japan. 1 year Japan Warranty from the day we sent your parcel. We can help you liaise with the maker in Japan. You will pay for postages to/from our Japan office. Singapore and Malaysia buyers can bring/post to us locally. We will deliver FREE to/from Japan. Return postage chargeable.