led display , indoor led display , dual-color led display good qualtiy , competitve price led display , indoor led display , dual-color led display led ... 7KgPower: 31WAngle: 140°Brightness: 1000-1500CDUsage: indoorCommunication: RS232, RS485,TCP/2P,RF(optional)Cord Length: 1.8 ... KB512KB storagewith real-time clock systemsupport TCP/IP,RS232,RS485,RFwith hardware scan circuitdisplay English and Chinese ...