Free shipping 220V cheap price wired audio doorbell door phone high quality audio intercom system with unlock function
This productcan be used in apartments, villas, hotels, offices, public buildings etc. two-way call and intercom.convenient customer visiting, and strengthening the safety, in the security base for your domestic outfit of a person of extraordinary powers curtilage, increase window.
1)Internal line phone call the intercom, convenient operation. indoor without buttons, as long as hand up the microphone, can call outdoor , both sides of the clear communication, there is two intercom calls such as special line,fashion and elegant appearance, installation is very simple, direct access 220V power supply ,the bell ring loudly and clearly.
2)As long as the extension cable conductor material is good, effective distance can be as high as 500 m intercom-1000 m , remain to be clear communication, the product quality is very reliable, low voltage power supply security communication convenient, it is the first choice of realizing internal communication products.
3)Still can control unlock , and don\'t need to run outside for opening door.
3.Installation wire requirements
100 m below : RVV4X0. 5 MM
100-200 m: RVV4X0. 75 MM
200-500 m: RVV4X1. 0 MM
the indoor and outdoor unit are connected by two wires. the two wires are exchangeable.
long operating distance, loud and clear sound.
the electromotion-lock needn\'t to connect with extra power supply.
connecting indoor unit with 220V power supply .
visitor presses the button on the outdoor unit,the indoor unit rings, host picks the handset up and talks with visitor, if necessary, host presses the unlock button, then the electromotion-lock is opened
1.we\'ll try our best to send products within 1-3 business days. If there is no shipping service that you choosed, we will change another convenient and safe way to send.
2.Service Transit Time is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
3.You Can indicate your personal requirement, such as colors, packages, value of declaration etc, at alibaba\'s message when you place the order. If you have not requirement,we will send the goods colors, packages by our arrangement.
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5.Please leave messages if you want to reduce total money on CI before we ship to save your tax fee. Buyer responses for (in case) all tax or VAT under any circumstances. We will do our best to minimum the risk.We are not responsible for any problems caused by the customs of buyer\'s country
Warranty & Return
1. All products have been checked and packaged in good condition before dispatch.
2. In case the item is defective, please inform us within 15 days of receipt. We offer a 100% money back guarantee.
We guarantee that all our items are "as stated" in their descriptions. We strive for 100% customer satisfaction on every sale we complete.
Our products are direct from factory, so we can provide quality items with very competitive price.
If you have any questions please contact us by email or TradeManager.