This Mail Box alert is triggered when the mail box is opened. The sensor sends a wireless radio signal to the indoor receiver display (up to 1000 feet away) which will chime and flash letting you know the mail has arrived. If the supervised transmitter is removed , stolen, loses signal or battery is low, the receiver will produce a single beep once a minute. Sensor uses one 3 volt lithium battery (included), with an average life of 5 years in normal use. Receiver uses 120 VAC input/12VDC output adapter (included).
Mail Alert System - Specifications
1000' Wireless Range
12 V AC/DC power
Receiver unit will chime and flash when triggered
Additional transmitters will produce a different chime when triggered
Magnetic contact with 18" lead
Rugged and weatherproof sensor
Includes lithium battery (estimated battery life is 5 years with normal use)
Supervised low battery indicator (unit will produce an individual beep once every minute)