For your easy reference, located in Hangzhou China, we are a leading manufacturer of many kinds of surveillance and security & safety products such as security dome cameras(including mini-indoor middle speed dome camera,high speed dome camera,middle speed dome camera,PTZ dome camera,auto tracking dome camera,network dome camera),Ip video phone, digital video recorder and etc.For more detailed information, please visit our website /,sketches,functions,technology parameter are all included in it.If you are interested, please feel free to contact me, I will try my best to cooperate with you. |