● 8 switches on the front to control on/off of relays under ● emergency circumstances ● 8 I/O interfaces inside the controller, able to use without ● central control devices ● Compatible with all existing central control protocols ● Rotatable ID switch to set network ID code ● With triplet junction on each relay with standby function
D6413 9.7 Inch Touch Screen Wireless Control PadOctober 18, 2017The IPS wireless touch screen of 9.7-inch with 260,000 pixels true color, is able to communicate with the control host through the WIFI, RF Bluetooth(not open), and man-machine interface is friendly. ...view
An Overview of Outdoor Public Address SystemsJune 28, 2018Outdoor public address systems: a generic term for all equipment that constitutes a public address system. It mainly consists of broadcast loudspeaker, power amplifier, transmission line and other tra...view
A Brief Introduction to the Surface Mount Ceiling SpeakerJune 22, 2018Surface mount ceiling speaker, also known as the surface mount speaker, an important member of the public broadcasting system, is a ceiling mounted electro-acoustic conversion device. It is used to co...view
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