Wireless doorbell button for ERA series safeguard supply Door bells and chimes wireless kits only- 3/4 mile range of doorbell signal

Wireless Door Chime Button with Industrial Duty Cycle Technology Compatible Only with Safeguard Supply ERA Series Wireless Home Doorbells and Commercial Chime Kits: The doorbell wireless signal will pass through uniform surfaces of steel, reinforced concrete, and brick that traverse various separate floors, walls, buildings and structures up to 4000 feet away
Waterproof Wireless Doorbell with Powerful Features - 3/4 mile range compatible only with Safeguard Supply ERA series door chime receivers (sold separately), uses up to 12 ERA series transmitters protection supply, green LED light flashes when signal is transmitted, 2-4 years battery life and easy mounting installation.
A doorbell that opens avenues that other wireless doorbell buttons cannot: due to the range and signal strength of this door bell, it can be used as apartment door bell, business door entry bell, classroom doorbell, doorbell on a store door, warehouse doorbell, etc.
The ERA-PBTX as all protective supply products are designed in the USA: Our North Georgia headquarters is home to our R&D, customer service department, and distribution facility. We have been developing advanced long-range wireless doorbell products and security-related products using the most advanced technologies for more than 20 years.
ERA-PBTX doorbell button is compatible only with ERA series devices: ERA-RXPG, ERA-DCRX, ERA-VPRX, ERA-Doorbell-Plug In, ERA-DRIVEWAY-ALARM PLUGIN, ERA PORTABLE, ERA-DOOR ALARM,Driveway Informer Pro, ERA-Motion Door Chime,WDK-ERA-STROSTROSTROBE, ERA-WDK-ERA-WDROSTROBE, ERA-WDA-WDROSTROBE, ERA-WDA-WDROSTROBE, ERA-WDA-WDD. K-SIREN,ERA-UTDCR,ERA-LOUD-DOORBELL,ERA-PUOR-BUZZER,ERA-DCKIT,ERA-PBDCR,ERA-PRDCR,ERA-UTPVR.