Cpplus Manual

 https://www.indiamart.com/proddetail/cp-plus-cp-er-0404e1-ts-4ch-1080p-dvr-24116963991.html?srsltid=AfmBOopRozW6akQ1AeYXWI6gU0_4JrsjWrkyIFL1pLv8wO1NxuwAbEQ5

 

 

https://www.cctvchennai.in/product/cpplus2018/Digital%20Video%20Recorder%20(DVR)/4ch/CP-ER-0404E1-TS%20datasheet%20asi%20chennai.pdf