Our First Generation Wireless Doorbell:B-289 and A-288 Series Wireless Doorbell.
They are the classic design of our factory。 And welcomed by our Customers from 2006 till now
Please search our knowledgebase or submit a ticket by clicking on the green "Q&A" tab on the left side of each page
Mon-Sat: 8:00am to 17:30pm
(Note: calls in queue before cutoff time will be answered in te order they were received, currently there is no call back support)