YASONG SLA-900MY-2000 130dB 150W Outdoor Remote Control Siren, 2000m Range, IP65, USB Audio, LED Strobe Product Size:48.1 x 22.9 x 20.3cm and the sound or flash

and the sound or flash settings are adjusted by buttons inside the lampshade

The product page identifies it as Only Microphone

loses a phase

This model supports DC12V and DC24V vehicle power input

The YASONG SLA-090 LED beacon siren light combines a 0–120dB adjustable horn

YASONG SLA-900MY-2000 130dB 150W Outdoor Remote Control Siren, 2000m Range, IP65, USB Audio, LED Strobe Product Size:48.1 x 22.9 x 20.3cm and the sound or flashThe YASONG SLA 900MY 2000 is a high power wireless remote control alarm siren with a 0130dB adjustable loud horn, LED strobe warning, and 150W output for outdoor and industrial emergency 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. 24 miles in open areas without walls. 150W high power siren output for strong warning coverage 0130dB adjustable volume