Single Ear-advanced Noise Cancelling USb QSFP28 100G SR4 The quality Speco APP36 from

The quality Speco APP36 from Speco converts advantage to professional plus that upgrades 5 to 36 doors

The phone is Refurbished

Front panel：1 x USB2

Real-time recording rate at 30fps/channel on IP / HD-TVI / Analog

559" Replacement Rectangle Punch

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