タイトルまたは説明

Wireless Audio Transmitter, Professional voice of the collection, it is constituted by the transmitter and receiver. This product can be collected by launching wireless voice signal, reaching **0 meters. Even in other places, but also you can know the voice of the scene.

Purposes: for TV-making unannounced visits, investigatigation and evidence collection, anti-counterfeiting Trade and INDUSTRY bureau, food safety, the city government to do the rectification, the public security bureau of evidence, Law firms, the Anti-Corruption Bureau, the courts and other departments.

User manual
Transmitter-switching it to ON, beginning the launch of the machine signals. The longest launch distance to *******0 m.