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-12kHz
Inside microphone: -42dB
Outside microphone: -42dB
Desktop unit dimensions: 158 x 87 x 46mm
Wall mount unit dimensions: 78 x 20mm
High Definition Pictures：
Brochure/Data Sheet：
SURPASSInterphoneSP-DIP11.pdf、
Operation Manual：