China KNX Wall Switch manufacturer

Metal material Electric Door Bell Switch DND MUR for Smart Hotel

Product Details:
Place of Origin: Guangdong, China
Brand Name: Smart Laffey
Model Number: LF-DPxx-D9
Payment & Shipping Terms:
Minimum Order Quantity: 50 Pieces
Price: Negotiable
Packaging Details: Carton Box
Delivery Time: 10-15 work days
Supply Ability: 20000 Piece/Pieces per Month

Detail Information

Name: Outdoor Display DND-MUR Unit Material: Aluminum Aloy
Color: White / Silver / Black / Grey Function: Bell / Pls Wait / DND / MUR
Power: 220V, AC Back Cover: UK Standard
High Light:

PC Material Electric Door Bell Switch


DND Electric Door Bell Switch


MUR outdoor doorbell switch

Product Description


Aluminum Aloy Frame Outdoor Display Bell-DND-MUR Unit Silver Color




Product Name Outdoor Display DND-MUR Unit
Brand Smart Laffey
Size 86mm*86mm
Color White / Silver / Black / Grey
Power 220V AC
Back Box for Installation UK Square Box
Function Door bell/MUR/Pls wait/Don't disturb
Application Smart Hotel / Office building



Product Features


1. The product adopts a metal panel, which is wear-resistant and not easy to damage, and has a good texture.


2. The function display of the panel is distinguished by lights of different colors: DND is red; Pls wait is blue; MUR is green.


3. The back seat PC material has good flame retardancy and large wiring space.


4. Products can be silk-screened or engraved with customer logos.





1. Working voltage: High voltage 220V AC, other voltages are customized.


2. Self-contained power: about 0.3W, the momentary power of pressing the doorbell is less than 1.5W.


3. Working temperature: -10℃-50℃.


Mechanical doorplate wiring (High voltage)

Note: The "Pls Wait" function is invalid when "Do Not Disturb" is needed, just wire it like the "Make Up Room" function.





1. Before installation, please confirm the control mode of the host and the doorbell trigger mode, and select the corresponding doorplate.


2. Please confirm that the wiring and the corresponding schematic diagram are correct before turning on the power.


3. Cut off the power supply during installation.


4. If the panel is removed, cut off the power before covering the panel.


5. Do not switch on and off the power frequently to avoid malfunction.


6. As the product is continuously upgraded, if some details do not match, please refer to the actual product.

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(1) Mutual benefit : We are factory also have more than 10 years experience in manufacturing and developing of switches and sockets.

(2) Customize : We have strong R&D team, we will try our best to custom product as your request.

(3) OEM service : (a) Printing your Logo (b) Engraving words or icons

(4) Mix order : We accept mix order, different model and small quantity order.





1. Q:What’s the shipping method?

A: By express way. Such as Fedex, DHL, TNT and so on; by air or by sea. Shipping cost is decided by shipping ways and product’s actual weight and volume, also your detailed address.

2. Q:Can we print our own brand or logo on your products?

A: Yes, it is our pleasure to be one your OEM manufacturer in China to meet your OEM requirements.

3. Q: Why do some goods have difference between website picture and practical items?

A: Because difference of light and browser, also different batches, materials may be little difference, such as lining. Sometimes, the picture is for reference only. These are allowed in actual case. If any question, please tell us before order and ask clearly.

4. Q: Can I order one piece for sample or trial order less than MOQ to test the quality?

A: Yes, We recommend to check the sample before order. We accept trial order less than MOQ.

5. Q: If I order big quantity, what's the good price?

A: Please send the details enquiry to us, such as the Item Number, Quantity for each item, Quality request, Logo, Payment Terms, Transport method, Discharge place etc. We will make the accurate quotation to you as soon as possible.


If you have another question, please feel free to contact us.

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