A tiny UHF bug spy transmitter with an external microphone. It will relay conversations to a remote receiver.

The external microphone gives you more options for hiding it in awkward places.

Features:

1. The device's dimensions are very compact. Easier to conceal.
2. Our equipment weight is less than 60% of other equipment. 
3. The matching receiver easily fits in a shirt pocket, so you won't have to hold it in your hands. (not included) 
4. The antenna is thinner - less observed.
5. Less current drawn from the battery, so it lasts a prolonged time.
6. Our transmitters are more powerful than any others.
7. High-quality precise PCB.
8. High-quality golden cover of contact plates.
9. Active and passive elements from leading worldwide brands. 

Specifications

• Working Voltage: 9V Lithium (Ultralife) or 9V Alkaline battery (NOT included)

• Dimensions: 1cm x 2cm. EXTRA SMALL listening device design, made for room surveillance and for places where the unit is difficult to hide.

• Stability: The transmitter has 3 x RF stages buffered output for stability.
  

• Frequency: True NFM (Narrow Band FM - Frequency range approximately  433.x (Quartz Crystal Controlled ).

• Distance: Long transmitting range. Penetrates through walls and ceilings.
  

• Safety: Our unique transmitters are using a Mil. Specs. material for encapsulating, for safety and security.

• Power: Up to 25mW RF output.

• Audio: External microphone (gold). High-level difference between noise and the transmitted sounds. Its tiny condenser microphone is so sensitive covering up to 10meters around, crystal clear. You won't miss any whisper.

• Antenna: flexible wire 18cm full extended.
  

• Adjustments: No adjustments are required.

The unit comes fully assembled and ready for use, as shown in the picture.

Just insert a 9V Lithium battery and it will begin to transmit.
It will transmit up to 48h days using 1 Alkaline battery (depending on brand and freshness).
 

The package includes:

1 X Micro Transmitter.