What is the DVRCam different from Normal CCTV camera? 
Normal cctv camera is a camera only, and must work with additional DVR device for video recording. C808B is Coomatec DVRCam Mircro SD Card DVR CCTV Camera ;This DVRCam WR C808B has video-out for realtime viewing, and  it can record video by itself.  You only need a Micro-Card (2GB--64GB).

How can set up the time in the DVRCam?

Use the  remote control to DVRCam, and set up on the screen.

Video Camera Basics

Dimensions                14cmx12cmx10cm

Gross Weight               620g

Power Adapter             Input: C 100~240V; Output: DC 5V, 1A

Micro processor           ARM9 32-bit microprocessor core

TF Card Support           Up to 64GB

Warranty                     Two-years parts

Video Camera Details

Type                           Black

Digital Video Format     MPEG4/3gp;VGA (640 x480)  

Lens                           6mm

Field of View                60 degrees (diagonal)

Night Vision                 15m
Video Out Interface       BNC type

Minimum illumination       0.1lux/f1.2

SNR                            48db

Operating Temperature -10°C~60°C

Certifications: CE ,FCC, ROHS