chethan7vgn

I am new person in this field to know the CCTV DVR, Power supply for surveillance, I have planned to buy a new apsonic A-S3216TI DVR to my office, Already we have other brand DVR but continuous problems arising so we planned to change it. If I buy new Apsonic DVR do I need to buy a power supply for that or can I use a old power supply what we have in the office.please clarify my doubts.also let me know which brand DVR is best for xtreme vision camera's. Thank you in Advance