DS-2CD2621G0-I(Z)(S) 2 MP IR VF Bullet网络摄像头说明书 • BLC/3D DNR/ROI • Built -in microSD/SDHC/SDXC card slot, up to 128 GB • 1/2.8" Progressive Scan CMOS • 1920 × 1080@30fps • 2.8 to 12 mm varifocal lens • Color: 0.01 Lux @(F1.2, AGC ...