Micro wireless audio transmitter for professional voice collection, it is constituted by the transmitter and receiver. This product can be collected by launching wireless voice signal, reaching 500 meters. The transmitter is small enough to hide almost anywhere.
Purpose: for TV-making unannounced visits, investigation 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.

Transmitter - switching it to ON, beginning the launch of the machine signals .the longest launch distance range to 1500m.

Receiver - the allocation of an antenna, the antenna plug of the plug at the bottom of transmitter, the antenna stretched as far as possible. Switching it to ON, the indicator light turns yellow that is to receive the signal.

Features:

• High sensitivity and place the sender in any corner, you can hear the tiny sound
• Connect the sender for another telephone monitor to the telephone line to monitor the talk between them
• Thumb-size volume and can record phone call
• Complete audio kit
• Come with wireless audio transmitter + receiver
• Professional grade audio bug with 500 meters transmission
• Use receiver to listen to the audio or to record it for later review
• Widely used for unannounced visits, investigation and evidence collection, etc
• 
  Specification:
• Transmission Distance: 500 meter
• 3.5mm earphone jack
• Typical Battery Life: 2-4 Hours
• Power Source: Internal Li-ion battery
• Receiver Dimension: 62mm x 79mm x 14mm (L x W x D)
• Transmitter Dimension: 50mm x 28mm x 15mm (L x W x D)
• 
  Package Contents: 1 x Audio transmitter, 1 x Audio receiver, 1 x Power adaptor(Europe Plug Adapter, 100-240V, 50/60hz, 12DC,1A), 1 x Antenna