Prologic SMX Alarms Custom Black WTS Blue Edition 2+1

2 Alarms + 1 receiver; Operates with 2 x AAA 1.5V batteries (not included); Five volume levels plus silent mode; Four sensitivity adjustments; Seven tone adjustments; 100% waterproof; Diamond shaped roller; Dedicated drop back LED indication; Dedicated drop back tone; Ultra-bright LED RECEIVER; Memory function; Silent mode; Vibration mode; Courtesy night light