Shenzhen Wardmay Technology Co., Limited
What is 4-in-1 CCTV?
4-in-1 CCTV is a new hybrid format, allowing one security camera to be manually switched between HD-TVI, AHD, HD-CVI and CVBS. This means you no longer have to worry about format compatibility...
WHICH IS BETTER NVR OR DVR?
Briefly speaking, choosing between a NVR system and a DVR system ultimately boils down to needs. If you have already installed an analog DVR camera system or hybrid systems, a HD DVR system is likely...