Wireless Warehouse Doorbell with Firebell, 4000 ft Range shoplift deterrent Any of our 12 volt

Any of our 12 volt accessories may be used if multiple bells

no alignment required

It will detect a person or vehicle from over 50 feet away and send a signal back to the receiver within a 4000 feet

Many accessories are available and may be seen on the accessories page

Still has the same warranty

Wireless Warehouse Doorbell with Firebell, 4000 ft Range shoplift deterrent Any of our 12 voltThis wireless warehouse doorbell is the longest transmission range known with a 4000 feet line of sight. As anyone knows working in a warehouse can loud, very loud. The receiver has many options including excellent volume control. We would recommend any of the accessories should the fire bell want to be used in addition to any of our other accessories. Included is Transmitter , Receiver and shipping . Need a further transmission range ? May also be