Do you worry about the safety of your home or your little children and old parents when you are busy in working? You always can not put your heart down because you do not know what is happening in your home? OK, if you are puzzled by these problems, you should pay attention to these outdoor security camera systems. These outdoor security camera systems will be perfectly suitable for monitoring children and elders, as well as for theft prevention. This outdoor wireless security camera system is excellent and environmentally friendly. You can see the situation of your home even when you are sitting in your office. And this outdoor wireless security camera system can be matched with mini type colorful wireless camera for hidden usages. Its signal can penetrate wall and realize synchronization of picture and sound at the sit. This Wireless 2.4GHz 4 Channel Receiver & 380TVL CMOS Color Camera Security System is suitable for monitor, supervision, investigation, obtaining evidence, installation, commissioning and other professional usages, and can meet high-level professional safety demands. The outdoor security camera systems are attractive for powerful function, simple operation, small volume, wireless signal transmission.