A credible mall surveillance system based on Zig Bee technique is designed and realized

target position provided by Zig Bee monitoring network combines with 360° horizontal rotation camera are used to protect kids when they are following parents to shopping mall.The surveillance system utilizes Zig Bee network to locate mobile nodes pair

when the distance between nodes pair exceeds safe value

the camera automatically tracks the children who is carrying mobile node while the system sends an alarm message to the guardian’s phone

which includes child’s location information and an on-site monitoring screen photo.Experimental results show that the surveillance system has high positioning precision

good real-time effect

and can play a good warning effect.