Anti-Theft Door With Door Knockers For Sale

Anti-Theft Door With Door Knockers. The cat’s eye, also known as the door mirror, is small optical instrument installed on the door of a house to facilitate residents to observe the outdoor situation.

Anti-Theft Door With Door Knockers. Door Knockers With Viewer Has become a necessity for home safety. High-definition wide-angle cat’s eye. It is composed of a concave lens and a convex lens.

Anti-Theft Door With Door Knockers. The focal length of the objective lens is extremely short, it makes the outdoor person or object into an upright and reduced virtual image, which falls just within the focus of the eyepiece, and finally, a reduced upright virtual image is obtained, which is exactly at the clear viewing distance of the human eye.

Nearby, Anti-Theft Door With Door Knockers. I can see the situation outside the door clearly.

After-sales service for door knockers with viewer
1 Warranty period is 12 months after receiving the machine; any quick-wear part is available for free during the guarantee period under proper operation, customers only need to pay for the freight of the replaced new parts. steel door bending.
2Installation and training service is optional for customers, any client can ask for this service from HARSLE, they should assume the airfare and accommodation for our engineer during the journey. The salary for each engineer is USD100 per day.

Company information
HARSLE is a leading and professional metalworking machine manufacture in china, which was established in 1997 and located in the culture ancient city of Nanjing, Jiangsu province. After 20 years of corporation; They are Nanijing HARSLECNC Machine Tool Co, Ltd. and HARSLE INDUSTRIAL LIMITED. Its sales revenue has been increasing by over 100% yearly in recent years.
HARSLE endeavors to provide high-quality machines and satisfied after-sales service, our machine products including NC&CNC PRESSBRAKE, swing beam shearing machine, guillotine shearing machine,machanical8pneumatuic machine, hydraulic press machine, rolling machine, ironworker, laser cutting machine and steel door production line, etc. They have been sold to over100 countries and10000 customers all over the world in different fields. Anti-theft cat-eye door mirror