Đầu ghi hình AHD Questek 16 kênh QTX-6116AHD GIÁ: 2.900.000 VND Support 8ch 1.0Mp and 1.3Mp AHD camera; Max 8ch synchronous real time playback; Support long-distance transmission, and 720P can transmit 500 – 700m with HD video signal; Support tag … Readmore