The product is made of high-strength aluminum alloy, with iron chassis; the shell adopts waterproof and dustproof design, the standard reaches IP65; and the use of anti-disassembly hexagonal screws to fix the face shell, it is a user's trustworthy intercom products.
With recording output port, provide to the hard disk recorder recording; with external active speaker output interface, realize HD sound quality (G.722) background music amplification playback
With 2 short-circuit inputs, 2 short-circuit outputs, connect the equipment according to the demand, input and output linkage control
Provide different types of voice intercom products with two and three buttons