["brand new and high quality\r\nLength: 42cm/15.8inch\r\nFeatures:\r\nfor Ideal add-on to your CCTV DVR System. Simply plug into your DVR Audio Channel using a Phono Cable. It requires a 12V power supply\r\nIt’s used both Indoor and Outdoor (Outdoor with suitable for protection from the rain)\r\n2 Connectors: One is a phono connector for audio while the other one is a for DC power connector\r\nCan be fitted on ceilings, walls, in suspended ceilings, under roofs, under soffits, cashier/ till desk at your business, behind a sofa inside a living room, etc\r\nConnects directly to you DVR, no need for an amplifier\r\nPower Supply Required: 12V for DC (Not included)\r\nCurrent Consumption: 200mA\r\nAudio Range: up to 20-30 metres (omni-directional)\r\nFrequency Range: 10-2000kHz\r\nColor: As Shown\r\nQuantity:1 Pc (Microphone ONLY ,other things not contained)\r\nNote:\r\nSize for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.\r\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!"]