Wireless warehouse Doorbell with firebell ( RC 16)

This doorbell is the longest transmission range known with a 4000 feet line of sight. The doorbell can also function as a magnetic contact for The receiver has many options including excellent volume control. Included is Transmitter, receiver and programming at customer request. Price includes shipping and programming for a turnkey package TRANSMITTER: Constructed of sturdy ABS plastic to withstand harsh elements the pushbutton shall last many years . Additionally it has a weather resistant seal to prevent dust and other elements from entering the transmitter electronics. RECEIVER: The receiver will 12 user selectable tones tunes so that different zones can be distinguished. The receiver is powered by a 12VDC transformer. It shall have a 12 volt relay to provide power to any 12 volt accessory including firebell, strobe , siren, etc. Additionally there two Form C relays ( NO, NC ,C ) for multiple other uses. Timed output of either 1 second, 5 seconds, 15 seconds , or 5 minutes ASSEMBLY