Features Water resistant Panic function allows user to instantly send panic signal to monitoring station Manually-activated battery test function Visual indicator (LED) for arming actions and battery testing Includes lanyard attachment to facilitate portability; optional wrist strap and belt clip also available Includes easily-replaceable CR2032 battery, with a battery life of 3 years Available in 2 colors: black and white Wireless range in a typical residential environment: - 30m (100ft) with MG6130 / MG6160 / MG6250 and RX1 - 45m (150ft) with MG5000 / MG5050, K32LX and K641LX - 60m (200ft) with RTX3 Available in 433 or 868 MHz