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Item specifics
  • Type: Intercom System
  • Viewing Angle (°): 62
  • Camera Sensor type: CMOS
  • Sensor Size(Inch): 1/3
  • Display Screen Size(inch): 10
  • Power: 220v
  • Connection Method: Wireless
  • Doorbell: Yes
  • Samrt Home Interface: No
  • Communication Interface: Wireless
  • Access Control: None
  • Brand Name: MOUNTAINONE
  • Kit Configuration: One to One video doorphone
  • Model Number: SY601A11
  • Size: 273*181*24MM
  • Installation: Wall Mounting
  • Answering Mode: Hands-free
  • Technology: Digital
  • Display Screen Type: Color
  • Power: 15V2A
  • Waterproof: Yes
  • Material: ABS
  • Camera: B/W
  • Resolution: > 420 TV Line
Product Description

New arrival 2.4G Digital Wireless Intercom System Door Bell wireless remote unlock freeshipping


Product Introduction 

Wireless digital voice intercom doorbell,works in 2.4G ISM,

Transmission power is less than 100MW,AFH adaptive FM technology,

with strong communication confidentiality,clear voice,wireless remote unlocking,power saving 

and far distance communication .The product is suitable for offices,villas,courtyard 

and unit family  places.



1. 2.4GHz ISM digital frequency hopping and encryption technology, transmission distance 

up to 300m in free field, robust anti-interference;

2. Outdoor unit with touch button,power saving,nice design,voice clear and loud;

3. Rainproof, anti-oxidation and wear resistance outdoor unit, with rain-proof cover;

4. Indoor unit is with handhold,coupled with exquisite base,beautiful and practical.

5. Indoor unit with ringing reminder and flash reminder;

6. Indoor unit with unlocking button,support wireless remote unlock;

7. Both Indoor and outdoor unit use the high capacity lithium-ion rechargeable battery (model: BL-5J);

8. outdoor camera can be powered by adapters or lithium battery;

The standby time is 90 days for battery.

9. Support 2 ways unlock mode: power on unlock or power off unlock

10.One outdoor unit is able to simultaneously match with 3 indoor unit,when there is call 

from outdoor phones,3 indoor unit ring simultaneously,a indoor unit off-hook,the rest 

2 indoor unit will disconnect automatically.

11. #1, #2,#3 indoor unit support internal intercom function,can be used as a Walkie-talkie.



1. Battery work voltage : 3.4v~4.1v

2. Battery charge voltage: 5v

3. Battery charge current: 200ma(TBD)

4. Indoor unit standby current: approx 2ma

5. Indoor unit work current : 90ma(TBD)

6. outdoor unit standby current: approx 10ua

7. outdoor unit work current: 110ma(TBD)

8. work temperature : -10~70 degree

9. work frequency: 2400MHZ---2483MHZ

10. Transmission Power: 18dbm(TBD)

11. sensitivity: -90db

12. Distance in open area: 300m

13. Audio Rate: 16K

14. Audio Digits: 16 digits

15. Time delay: approx 16ms

16. Total harmonic distortion: -60db

17. S/N Ratio: 90db

18. Frequency response: 500hz~10khz

19. Indoor Size: 150*95*55mm 

20. Outdoor Size: 170*50*30mm


Packing List:
Indoor unit *1
Outdoor unit *1
Battery (BL-5G) *2
Screws *1 


Wholesales & Retail are both available. It is my pleasure to build a long-term businessrelationship with you. I will try to offer the best price for your resell business! Please feel free to contact us at Trade Manager /Email/Skype.

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A20 free shipping Retail  Women Shoulder Bag Lady chain handbag 3 colorsPlease read this carefully before you buy it!

1.Notice: Freeshipping by China post air mail is very slow, the average delivery time is about 30 days, but sometimes you have to wait about 45-50days.If you cann\'t wait.Please don\'t buy freeshipping items from us.

2.We don\'t like Dispute or Negative feedback, if you don\'t communicate with us before you submit dispute, please don\'t buy them from us .If you do so, it means you will give up the after service.

Payment Description

a)Payment Method Accepted: ESCROW,Alipay,T/T,Western Union

b)My preferred payment method is by Verified or Bank to Bank Telegraphic Transfer(T/T) or online Bank Transfer.

c)Full payment must be received within 3 working days after your order. Please contact us as soon as possible if you have problems on making payment.

VAT/Import Duty

We don?t charge any sales taxes and handling fees. In any event, we are not responsible for tax(VAT)/Import Duties or any equivalent arises from the delivery transaction. Please check your local custom legislation and visit your local customs department website before purchases.



a) We only ship to the confirmed address provided by Alipay. Before you pay, please make sure your address and phone number in Alipay address notes for safe shipping.

b) We strive our best to provide you the most reliable, affordable way of shipping service. But sometimes international delivery is highly depended on the Courier Company and local customs/duties. If you do not receive your item on time, please contact us immediately for further assistance. Thank you for your understanding.

c) Registered Orders will be shipped via China Post Airmail or Hong Kong Post airmail (Default),EMS,DHL and UPS etc(Express need extra pay).

d) Free shipping method and terms:

If you buy the items over two or more, we suggest you choose the express shipping.

e) You can pay extra shipping cost to get express delivery, such as EMS, DHL or UPS. It just takes 3-7business days to receive order, please contact us if necessary.

f) We\'ll mark the item as GIFT and under its value ship to you.

Delivery time lasts approx:

  • United States: 10-20 business days
  • United Kingdom: 10-20 business days


a) This item is covered by one year warranty.

b) Software sales are not refundable.

c) Shipping and handling fees are not refundable.

d) Buyer is responsible for shipping costs incurred shipping products back.

e) It may take up to 7 business days to process your return after we receive your product.

f) Defective products must be returned within 7 days from the date you received your order.

g) For any exchange or refund, we need the product must be in its original condition, including the box, and all the accessories. Buyers are responsible for the returning shipping cost.

h) Please contact us before your return the item, we will offer you the right return address.



a) Our goal is to make sure you are a happy customer and pleasant shopping with us.

b) If you are satisfied with the purchase and our total service,your comment is very important in our business success.

c) If you are not satisfied with your purchase in any way, please give us the opportunity to resolve any problem. We understand that concerns and frustrations you might have, and will try our best to resolve the issues.

d) Do not hesitate to contact us anytime before and after your purchase, we are committed to your 100% customer satisfaction, if you want more items we can give a litter discount, thank you very much!


About us

  • In order to get a prompt response and communication, we recommend you contact us by Message.
  • For any other information, you also can contact us .



P.S.: Rest time send us email will get you back not later than half day, so in our rest time if we don?t reply to you immediately, pls don?t leave negative feedback and 1, 2, 3 or 4-star Detailed Seller Ratings because they are equal to negative feedback. Like what we said before, if you are not satisfied in any regard, please tell us, thanks!

Packaging Details
  • Unit Type: piece
  • Package Weight: 1.5kg (3.31lb.)
  • Package Size: 26cm x 21cm x 75cm (10.24in x 8.27in x 29.53in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 1.5kg (3.31lb.)
  • Package Size: 26cm x 21cm x 75cm (10.24in x 8.27in x 29.53in)
We support the following payment methods. All payments made on AliExpress are processed by Alipay.