Key features

• •🔔INDUSTRIAL GRADE LOUD WIRELESS DOORBELL: 95db plug in receiver has a large 2 1/2" speaker with adjustable volume control AND is supplied with a large 6" loud ringing bell that connects to the 12v output allowing it to be heard in the noisiest of locations.
• •🔔LONG RANGE WIRELESS DOORBELL SIGNAL WILL PASS THROUGH THE TOUGHEST STRUCTURES: Up to 4000ft range capability with unparalleled signal prowess easily transmits through metal, reinforced concrete, stone, brick, wood & wood that most wireless door chimes can not.
• •🔔PUSH BUTTON TRANSMITTER & MAGNETIC DOOR CHIME: Waterproof dual purpose wireless transmitter can operate just like a standard doorbell push button - when someone presses the button, the chime will sound. Can also operate as a magnetic door chime with the included contact sensor alerting you every time a door is opened.
• •🔔EASY TO INSTALL & NO HASSLE PROGRAMMING: Heavy duty transmitter pairs easily to the plugin receiver. Receiver has four different zones and each zone will play one of twelve available sounds. 6" Bell simply connects to the receivers 12v output with supplied double strange 18AWG wire.
• •🔔COMPREHENSIVE COVERAGE FOR EVEN THE LARGEST AREAS: This commercial door chime for business entry gives you the ability to add an unlimited number of transmitters & receivers. Receivers have (4) 12VDC outputs (1 per each of the 4 zones) allowing you to add additional 12VDC devices (sirens, buzzers, bells, strobes, etc). Transmitters feature (1) N/O, N/C relay & plug in receiver has (1) "C" relay.