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Securityman SM-451DR Add-on Digital Wireless Receiver (For DigiminiAir & DigioutAir)
Product Description

The Securityman SM-451DR is a add-on digital wireless receiver for the
DigiminiAir and
DigioutAir digital security camera systems. This receiver is also compatible with up to 4 digital wireless cameras at a time.
Furthermore the Securityman SM-451DR receiver uses a digital signal for interference free transmission.