CYSSJF Wireless 2 Way Window Intercom Speaker System for Office/Hospital/Bank/Home/School/Classroom (E350)

✪CYSSJF Dual Way Anti-Interference Window Speaker Intercom System✷Package Including: Free Gift（Only to Early Buyers）: 1x Extension Cord +2 x Mic Cotton Cap (2023.7.30~8.10)✷Choose it to provide your consumers with a better service！【Hi-Fi Sound Quality & Smooth Communication】With the quality diaphragm and special side tone processing chip, CYSSJF E340 window intercom system will keep your communication anti-interference, noise-free and smoothly.High-sensitive metallic material microphone can transmit more smoothly than plastic ones.Comprehensive application of electro-acoustic technology&high performance electro-acoustic circuit design&high power microphone. So it will make the voice clear and loud enough.【Adjustable & Streamline design】Main unit is made of luxurious aluminum alloy and internal microphone for extension.Flexible metal microphone body could more easily to adjust height or direction depended to your needs .【Enough Length】73.6 inch outside miscrophone line will offer you more convenient.We will also give away 2 meter long extension cord to the buyers who take order during 2023.7.30 to 8.10.【Easy to Install & Use】—— [ It is really easy to use for your group ]One-wire connection and simple installationTip lights will remind you if your voice have been transmitted successfully.Auto dual-way intercommunication without pressing any button.There are clearly instruction for the function of every button and the specific installation method in the instruction manual. Two-way voice intercom communications technology automatic identification of processing speech signals during a call does not require any action.【Application】Counter intercom system is widely use in bank, stock office, hospital, post office, ticket office, charge station, clinic, government, store, pharmacy, etc. ✸Explanation for function key: ✡Volume control of indoor station (IN)✡Volume control of the outdoor station (OUT)✡ON/OFF switch（POWER）✡12V DC power socket (12V)✡Socket to connect the outdoor station (EXT )✡Inside mute (I-MUTE) turn on this key, inside worker can’t hear outside voice✡Outside mute (O-MUTE) turn on this key, Outside guest can’t hear inside voice✡Socket to connect the recorder ( REC) ✡Microphone interface✸User Instruction 1.Install the master station in working room, and substation out of the working room. Insert the substation connector into the Outer SPK jack. 2.Connect outdoor station cable to EXT port; Insert the transformer into the power jack.3.Toggle switches of the master’s power key to ON, power indicator light will be bright, means power is normal working. 4.When you want substation’s volume louder, so that outside people can hear clearly, you can adjust OUT Knob.5.When you want master station’s volume louder, so that working room’s people can hear clearly, you can adjust IN Knob.6.When you need to record the internal and external voice, please connect recorder to REC jack. 7.Please keep inner volume and outer volume in moderate level. Dear guest, Hello! Welcome to CYSSJF shop.The product is practical and affordable. If you like, you can visit our shop, you can definitely find the products you like.Pay attention to us, don't miss every special offer and new products.If you are very satisfied with our products, please give us a 5-star praise, which is very important to us, thank you.