2.4G USB receiver with digital camera Support 4 cameras display Pair code use for security Transmit distance up to 200m Detail for USB quad digital camera Features : Support display four cameras at the same time. Mini USB receiver connect to pc, support windows 2000/xp/ visita / windows 7 32bit pair code use for security signal 28 pcs IR for 7-15 meters night vision Parameters for wireless camera ...
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