High-quality and best service is the tenet of our company. You couldn't find a such quality with the price level. Please don't worry, we provide one Year warranty and 7 days no reason return. Just Try It.
Specification: Working
voltage: AC9V/1A
Main sound (sub sound): 3W
Inside microphone: -48db 20Hz-20KHz
Outside microphone: -48db 20Hz-16KHz
Exterior size: 158x87x46mm / 78x20mm
Hot Spots: Streamline design. Main unit is made of luxurious aluminum alloy and internal microphone for extension. One-wire connection and simple installation High quality speaker for main unit and extension. High sensitive microphone. Longer metal tube microphone for dual-way intercommunication Adjustable volume with separate switch Auto dual-way intercommunication without pressing any button External speaker, slim fit design Anti-interference and noise-free function Comprehensive application of electro-acoustic technology experience, the selection of high performance electro-acoustic circuit design, the output power up to 3W, voice clear and loud voice distinguished high Inside and outside the two-way voice signal output (recording by the bank teller), a stereo jack output mode can prevent voice recording function controlled by the power switch and the function buttons
Application: bank, securities, hospital, bus station Where guard glass again theft is installed
What is in box: 1 x Retevis RT-9908 Dual-way counter interphone 1 x External speaker 1 x Charger