China KNX Wall Switch manufacturer

Hotel Smart Doorbell Switch Common Cathode / Common Anode Type

Product Details:
Place of Origin: Guangdong, China
Brand Name: Smart Laffey
Model Number: LFIO-DPxx-HR7
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: Doorplates Material: Aluminum
Type: Common Cathode / Common Anode Size: 86mm*86mm
Color: Dark Rose Gold/Silver/Black/Champagne/Grey Protocol / Voltage: IO
Power: 12V, DC Back Cover: UK Standard
High Light:

Cathode Smart Doorbell Switch


Anode Smart Doorbell Switch


Hotel Smart Doorbell Switch

Product Description


Aluminum Material Doorplates Common Cathode / Common Anode Type




Product Name Doorplates
Brand Smart Laffey
Size 86mm*86mm
Color Dark rose gold/Silver/Black/Champagne/Grey
Power 12V DC
Back Box for Installation UK Square Box
Function Door bell/MUR/Pls wait/Don't disturb
Application Smart Hotel / Office building



Product Features


1. Aluminum frame with plastic module.


2. The back box is fireproof and good insulation.


3. The product is made of high-quality materials. The high-strength PA material ensures better fire resistance, and the base is riveted to the steel frame at multiple points to ensure that the product is stronger, stable and reliable.


4. Multiple color panels are available: Dark rose gold / Silver / Black / Champagne / Grey





1. Working voltage: Low voltage 12V DC, 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℃


Two Options: The mechanical doorplate of low voltage common anode or common cathode  (the doorbell is IO)


The doorbell output is a passive dry contact signal. If you need to make active signals such as high and low levels, you only need to connect one

end of the doorbell to the positive or negative pole of the power supply, and the other end outputs active high and low level signal.





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.

Hotel Smart Doorbell Switch Common Cathode / Common Anode Type 0Hotel Smart Doorbell Switch Common Cathode / Common Anode Type 1Hotel Smart Doorbell Switch Common Cathode / Common Anode Type 2Hotel Smart Doorbell Switch Common Cathode / Common Anode Type 3Hotel Smart Doorbell Switch Common Cathode / Common Anode Type 4



(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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