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Add：5/F,Tonggao Building A,Sanlian Industry Park,Shiyan,Baoan,Shenzhen,
China
Tel：0755-29993165
Fax：0755-29993375
EMail：sales@secu365.cn
Service：0755-29993167
> The storage time is not enough
Possible reasons are as followed:
1. Front vidicon quality is bad. The lens is too dirty. The vidicon is in backlighting installation.
2 .The hard disk capability is not enough.
3 .The hard disk is damaged.
