siren with voice prompt Outdoor

1) Dual tampers protection from upper cover removal or removal of the siren housing from wall 2) Siren output 120db, 3 alarm sound selectable 3) LED indication for easy status confirmation 4) Once the power connected, siren all LED light will On for 5 seconds and enter standby mode 5) In standby mode, the left and right side LED light will cyclic flash on about every 2 seconds. or the user can switch off LED lights working indication in standby mode by Dip switch 6) In alarm status,all LED Lights flash quickly and alarm start at same time. 7) In door bell chime status, all LED light flash and playback recorded voice prompt at same time.