These promotion  codes are only for amazon U.S website: 


80% off ( this is the only one  code for amazon U.S. Try it. You're the luckiest one,from 2020-10-02 to 2020-10-10)

Dual lingt IP camera:


 One time promotion code, can not be reuse,please send e-mail when get issues.


Metal Dome IP camera  amazon U.S. URL:

30% OFF.  (from 2020-10-02 to 2020-10-10)

Use these promotion codes:



Free sample for security system company:

We can offer some free samples for business company , what you need to do is show us

your address, and tell us the products you like.




These promotion  codes are only for

Currently active discount codes:

' free shipping '   for specific customers to purchase specific products


Please note that only one discount code can be used at a time, instead of using two discount codes at the same time, you can choose the most advantageous discount code to use. If you are not sure which is the best one, you can confirm it by email before placing an order.


How to use a discounts codes:

1, Go to the discount products page, for example ,if you are a company click this link: Free AHD camera for enterprise 

if you are a personal buyer, please click on this product link:Free camera board for the personal buryer

2,Click 'Buy it now' button like this picture:

3,Tye a discount code and then click 'Apply' button like this picture:

4,You will see the Total change to USD 0.10, pay for  the order

You can contact us by E-mail Messenger WhatsAPP Facebook Wechat QQ  when get issues.