Description

433MHz Wireless Doorbell button / SOS button Compatible with Our 433MHz home burglar alarm system

Notice: 1. About the doorbell function, your alarm host (wireless receiver) must support this function, then they will be compatible. 2. This 2 kinds of button is the same function, they have the same wireless code, only the print on the case is different.

Wireless doorbell button

If you do not know your alarm host support doorbell function or not, you can ask me before make order, thanks. If your alarm host is WPG / G4 / W123 / M3B, it will be compatible.