YASONG SLA-01TY-2000-4 120dB Wireless Industrial Remote Siren, 4 Remotes, 2000m Range, IP65, USB Audio, LED Strobe Signal Tower Stack Light USB custom audio upload with

USB custom audio upload with up to 4MB storage

and the siren does not come with a plug switch

Wall mounting is listed as standard

This model stays in standby mode after power-on and can be turned on or off by wireless remote control

YASONG SLA-01TY-2000-4 120dB Wireless Industrial Remote Siren, 4 Remotes, 2000m Range, IP65, USB Audio, LED Strobe Signal Tower Stack Light USB custom audio upload withThe YASONG SLA 01TY 2000 4 is a wireless remote control alarm siren with a 0120dB adjustable loud horn, LED strobe warning, and 4 included remote controllers for outdoor and industrial safety alerts. This model stays in standby mode after power on and can be turned on or off by remote control. The remote range is rated up to 2000m 1. 2 miles in open areas. 0120dB adjustable volume controlled by button 4 remote controllers included for flexible alarm