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rajlogic

visual grainy at night

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Recently we installed  a system with  3 mp hikvision cameras . The visuals are clear during daytime , but they are very grainy once it is dark. camera model :ds 2ce1af1t-irp

 dvr - 7b08HUHI-K1. tried everything i could ..  please help

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Probably not enough IR light. If you can send them back, look for Hikvision ultra lowlight or Darkfighter cameras, much better at night. Or you could try an external IR light, something like this.

https://www.amazon.com/gp/product/B01MTXSJP9/ref=ppx_yo_dt_b_asin_title_o05__o00_s00?creativeASIN=B01MTXSJP9&linkCode=w61&imprToken=B4w1mXOVAXLJzqzmoxI2GA&slotNum=1&tag=ipctk-20&ie=UTF8&psc=1

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