|Part No.||D2-CL 3 Pin 4 Pins|
|Transportion||TNT, UPS, DHL, Fedex, Air, Sea|
|Packages||Carton, Wooden case, Pallet etc|
|Delivery Time||Normally 2-3 working days after payment|
|Payment Method||Company Bank, Western union, alibaba, Paypal etc|
Pictures for 5400 Elevator Cop D Type Round Push Button D2-CL 3 Pin 4 Pins
What does the alarm bell in the elevator do?
It is the phone number to get in touch with the on-duty personnel, the "alarm phone" or "alarm bell" in the elevator, there will be a button with the pattern of "alarm phone" or "alarm bell" in each elevator car, press the button, that is You can talk to the staff on duty.