YASONG SLA-01TY-4-500 120dB Industrial Wireless Remote Siren, 4 Remotes, 500m Range, 25W, IP65, USB Audio, LED Strobe Product Size:29.2 x 19.4 x 16.2cm and built-in battery power for

and built-in battery power for temporary outdoor security alerts

The YASONG SLA-01HY-4 is an outdoor remote control alarm siren with a 0–120dB adjustable loud horn

The YASONG SLA-900MY-2000 is a high-power wireless remote control alarm siren with a 0–130dB adjustable loud horn

AC100–240V input for fixed equipment and site warning use

YASONG SLA-01TY-4-500 120dB Industrial Wireless Remote Siren, 4 Remotes, 500m Range, 25W, IP65, USB Audio, LED Strobe Product Size:29.2 x 19.4 x 16.2cm and built-in battery power forThe YASONG SLA 01TY 4 500 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 triggered or silenced by remote control. The remote range is rated up to 500m 0. 3 miles in open areas. 0120dB adjustable volume for different warning environments 4 remote controllers included for