Product Description：
Auto dual-way intercommunicationwithout pressing any button.
Anti-interference and noise-free function.
Dual-way audio record output.
Specification：
Power input: AC 100-240V 56/60Hz
Operating voltage: DC12V/1000mA
Working current: 290mA
Speaker output power: 2x3W(Max)
Frequency response:100Hz-15KHz
Inside microphone: -42dB
Outside microphone: -42dB
Desktp unit dimensions:180 x 130 x 51mm
Wall mount unit dimensions:61x 85x 24mm
High Definition Pictures：
Brochure/Data Sheet：
SURPASSInterphoneSP-DIP12.pdf、
Operation Manual：