Window Intercom Speaker Anti Interference dual way window intercom system Microphone Talk Through Glass Intercom for Bank Office Hospital Counter Station Ticket

【Functions and Features】1.Hands free two-way talkback full automatic.2.Clear sound .High-quality speaker and high-sensitive microphone, the voice is realistic and clear 3.Reminder light.There are voice transmission indicator to prompt the working condition4.With Mic interface,support external microphone5.with inside and out side volume knob. the volume of internal and external can be adjusted by separately?6.With power on /off knob7.With output for recording, can connect record equipment external8.with two EXT port,one main-base can work with two sub-base .9.High power-3W high power speaker .Widely used in many applications, such as bank, clinic, government，store, pharmacy, and so on【Technical Parameters】Working voltage: DC12V? Material : Aluminium + ABSWorking current: ≤300mA? Microphone : 45dB±2dB 10Hz-15KHzOutput power of sub-base Speaker: 3W Output power of master:2WEnvironment term: -10oC~60oC Cable Length : 2M silver Main base :1537840mm Sub-base: 8022mmBox size : 2415*8CM 【Package Includes】1 x Master Station;1 x Extension ;1 x Power adapter 1 x English manual1 x Double-sided tape1.Q:How to use ? is Duplex Tech? A:yes. Is half duplex tech. Auto dual-way intercommunication without pressing any button; the communication voice can be clear from different directions.2.Q: What’s Cable Length of Main-station to Sub-station?A: Default is 2m. But it can be 3m, 5m, 10m or more. 3.Q: Can i buy a long cable of sub-station？ A：Yes, we can support customized length, but need MOQ. 4.Q: Can I buy extra sub-station ?A:Yes. 5.Q: Do you have CE certificate?A: Yes, we have.6.Q: What is the warranty time?A: One year except man-made factors.7.Q: Is the power supply support 110V AC? A: Yes, it support. Support 110V -240V . support US, UK,EU,AU standard . Adaptor also pass PSE ,FCC,UL,CE etc. Tell us which one do you need. We will send the one as your request. 8.Q: Is it easily to install? How to install the system? A: Yes, it is easy to install. Just plug sub-base to EXT port and turn on item .We also have videos showing installation. 9.Q: Do you support OEM brand and OEM packing?A: Yes, we can support your print logo on products and customized packing. Welcome to visit us.10.Q: What is the Minimum order quantity?A: Minimum order quantity is one piece, we offer different discount according to your order quantity.