Adjustable CCTV System DVR Low Noise Audio Surveillance KZ-502B

Are you looking for a great audio surveillance? We are excited to recommend this item Adjustable CCTV System DVR Low Noise Audio Surveillance KZ-502B to you. This small audio surveillance is a low noise audio pick-up device with a high-sensitivity. There is an inner protective circuit within this device. With a higher working voltage, the device is not easy to be burn. The sensitivity can be adjusted, so this low noise audio surveillance can be use in many occasions. Voice reverting is more clear and the timbre is more real. Adopted advanced technology, the quality of this audio surveillance is very high and it can be used for a long time. This item is easy to operate! You can use it conveniently and easily! Do not hesitate to choose this item! It is worth to buy. You will never regret to choose such a good product！ Specifications: Small volume of high-sensitivity, low noise pickup Wide operating voltage, built-in polarity protection circuit, to avoid burn Application of high-power low-noise IC do professional audio amplification, pre-drive capability, and signal transmission is far The Pick-up could be the flexible adjustment of the sensitivity for the needs of different occasions The frequency of the circuit without special restrictions, to restore the sound clear, more realistic sound, clear music With chip technology, the majority of products ROHS specifications, quality assurance, live longer Work Voltaga: 4~14V Work Current: 5mA~60 Ma Sensitivity: 200mA/ubar Frequency: 50~10000 HZ Max Output Voltaga: 5V-up Package Included: * 1 x Pick-up Device