Dakota Alert MURS 2-Way Handheld Radio and Alert Transmitter Kit, 2 Watts of Output Power, Real Time Monitoring and has 5 Channels and 38 Sub Channels, Capable of Sending 4 Different Alert Messages to the Transceiver, Great for Security Guards, Small Businesses and Hunters, BONUS Includes 6 Rechargeable AA Batteries Dakota Alert MURS 2-Way Handheld Radio and the Dakota Alert MURS Alert Transmitter Utilizes passive infrared sensor technology that will send an alert signal to the MURS transceivers in order to notify you that someone has entered a monitored area Five Channels and 38 sub channels to help you communicate with other users and Capable of sending 4 different alert messages to the transceiver Will give you real time monitoring of remote locations up to several miles away and Excellent Communication capable of communicating over distances of several miles depending on terrain When an alert signal is received from the MURS Alert transmitter the HT will sound off with the voice of the alert signal and will also display an alert icon as a visual display that an alert signal has been received