Product DescriptionThe Bellman Visit Telephone Transmitter is the part of the Bellman Visit system that helps you to notice incoming telephone calls. The installation is extremely easy; simply plug the Telephone Transmitter into the telephone socket by using the enclosed intermediate adapter. When activated by an incoming telephone call, the Telephone Transmitter sends a radio signal to the Bellman Visit receiver(s) for alerting.
When disconnecting the telephone cord the Telephone Transmitter (Multipurpose Transmitter) can also be used as a push-button transmitter or together with other triggering devices (entrance mats, external relays/push-buttons or magnetic contacts) to supervise people entering and the opening of door/windows etc. Powered by one 9 volt battery; battery life is between approximately 3 and 10 years depending on battery type (alkaline or lithium).