Motion Sensor Door Entry Chime This battery operated chime sounds when customers enter your store, alerting you with a “ding-dong” ring. Features two volume settings and can operate at long range. Batteries included.
Wireless Sensor Announcer The infrared detector senses body heat and transmits a signal to a remote receiver up to 70 feet away. It features four different sounds with volume control and includes 3 AA batteries as well as a 9V plug-in adapter.
