The built-in sensitive microphone is used for audio monitoring to meet the demands
of a wide range of applications.

4 channels designing:
Designing with 4 channels to avoid available to avoid possible interference; on the
other hand, you can use most 4 cameras with a receiver at the same time.

AV output:
Composite AV output makes the receiver be connected directly with any TV, monitor
or VCR.

PLL:
PLL (Phase-Locked Loop) is an electronic circuit with a voltage-driven oscillator
that is constantly adjusted to match in phase and thus lock on the frequency of
an input signal.

Power switch with receiver:
For power saving, the receiver is added a power switch.

Channel scan:
When multi-camera used with a receiver, you can set on channel scan of receiver.
The channels will be scanned one by one per five second.

Features:
1) Min. 100m transmission distance without block
2) Tiny size for discreet observation portability
3) Including adaptive bracket, easy installation