Safety Technology International STI | STI-3300 Wireless Doorbell Extender Installation @SafetyTechnology | Uploaded January 2022 | Updated October 2024, 2 hours ago.
STI's Wireless Doorbell Extender with receiver lengthens the range of an already existing hardwired doorbell. Learn how to install the doorbell extender to a hardwired doorbell, and to pair the button to the receiver. Receiver can be moved up to 500' from extender (line of sight), helping to increase the doorbell's range to hard-to-hear areas such as a basement or garage. For more information or to see STI’s entire line of innovative products, visit: sti-usa.com/yt.