YASONG SLA-YJ02 120dB Wireless Emergency Siren, 2000m Remote, 6 Tones, 15W, IP54, LED Strobe Signal Tower Stack Light it enters standby mode and

it enters standby mode and can be turned on or off by remote controller

construction vehicles

30W high-power siren for clear audible warning

The YASONG SLA-800BY is a portable rechargeable remote control siren with a 120dB adjustable sound output

0–120dB adjustable sound for different warning needs

YASONG SLA-YJ02 120dB Wireless Emergency Siren, 2000m Remote, 6 Tones, 15W, IP54, LED Strobe Signal Tower Stack Light it enters standby mode andThe YASONG SLA YJ02 is a wireless emergency alert alarm siren with a 120dB loud horn, LED strobe warning, and 6 different emergency tones for public safety and site warning use. This model stays in standby mode after power on and can be triggered by remote control or by the button on the siren. The remote control distance is rated up to 2000m 1. 24 miles in open areas without wall blocking. 120dB loud horn for clear emergency warning 6 different tones