built in microphone high difinition 4 camera DVR security system 7 inches monitor

 
Specifications:

 
Description:
 
built in microphone high difinition 4 camera DVR security system 7 inches monitor

 
Description:
 
(1). Classic digital 2.4G device with frequency hopping technology,high anti - interference features from and to other else wireless devices,such as Wi - Fi.
 
(2). With a high resolution of the monitor 800 x 480 pixels to help you see more clearly of the monitoring objects.
 
(3). Support 1 camera,or 2 cameras,or 3 cameras, or at most 4 cameras for monitoring at the same time on the screen, 4 CH 4 image will be shown on the screen.
 
(4). Main processing IC from Korea,it is a premium IC in the whole market,you will not feel delay pictures on the screen,for 4-image,4-channel,the picture ( video ) speed is 10 frames per second,if 1 - image,1 - channel,the picture processing speed is 30 frame per second.
 
(5). In the aspects of privacy protection : digital modulation is better than analogue modulation not only on  its strong interference resistance but also on its encryted transmission data. any one can easily receive and check the video from analogue modulated transmitter ( here refers to the cameras ),but they can't see the video that was transmitted from digital modulated transmitter.data encryption become necessary for more safety applications.
 
(6). Adopt 850nm for the IR LED,totally 24 pcs,which kind of LED is widely used on professional CCTV camera,to assure supervisor also can see the objects in the night within about 10 meters far from the camera.
 
(7). Exclusive factory that provides high sensitive micro-phone built-in the camera,you can see the picture and hear the sound now,the data also can be recorded in your SD ( or TF ) card.
 
(8). With the bracket matched for the camera,all end users can install the camera ealily for all places. 
 
(9). Recording will act only when you insert an SD ( or TF ) cards to the monitor, support maximum storage is 32GB, now 4 cams,4 CH's video will overwrite on the SD card which can be played on your cell phone.
 
(10). Manual recording,scheduled recording and motion detection activated recording are optional. 
 
(11). Metal shells ( Mg - Al alloy ),weatherproof design.with an Max 17dBm antenna,you can monitor your place around 100 - 300 square meters area. here 300 meters is in line of sight without obstacles,check the signal bar on the image to adjust your monitoring distance.
 
(12). All systems meet DIY concept,Pnp (plug&play) operation,easy and convenient to use.
 
(13).The adapter can be used by 7/24,be sure to use the adapter matched with the systems. 
 
Package contents :

1 x Monitor
4 x Cameras (already paired,factory default)
5 x Adapters
1x Suction cup
1 x User manual
 
Applications:
 
All below occasions are suitable,

Frequently asked questions ( FAQ ) :

1. How to add extra camera to the system with 2 cameras now?

If you buy 2 cameras with monitor as one set, sometimes you want to add extra camera to the system, be sure to buy the same camera from the same factory, otherwise it will not work. Read user manual before operation for " pairing " , when gets in the menu of pairing, press “pairing” on the screen, meanwhile press the button on the connector of the camera, you can see the video from the camera immediately.

2.&nb