Risco, wireless emergency transmitter 868 MHz, IP67, coded signal, including wristband and lanyard, LED indicator (low Battery), battery CR2032, use with Agility, LighSYS, PorSYS, ProSYS plus, Nova Comes with armband and lanyard, IP67, can withstand water, LED display of low battery status,. The zone type determines the function: Panic, Medical with 3V lithium battery CR2032.