SecurityMan SM-451DR 2.4GHz Digital Wireless Receiver for DigiminiAir and DigioutAir by Securityman

in this video we are introducing our DG mini air it is a DIY digital security camera kit designed for easy installation and operation comparing to the traditional analog wireless technology digital wireless technology provides three key advantages first stronger signal that provides longer transmission distance second digital signal which is interference free from crowded analog wireless devices third privacy which is worry free of single interception from public the camera has building microphone for audio recording up to 20 feet away the receiver can support up to four cameras the package includes two power adapters indore camera mounting accessory AV cable wireless receiver and user manual the difference between sm 2 or my PT and sm 703 TT is that sm 21 IDT is designed for indoor use only however sm 703 DT is ideal for outdoor applications because it's weatherproof camera and he has