YASONG SLA-YJ02 120dB Wireless Emergency Siren, 2000m Remote, 6 Tones, 15W, IP54, LED Strobe Voltage:AC220V The alarm uses 2 AA

The alarm uses 2 AA batteries

150W high-power siren output for strong warning coverage

Multiple base options including disc

Photoelectric switch mode for night-only or all-day flashing

YASONG SLA-YJ02 120dB Wireless Emergency Siren, 2000m Remote, 6 Tones, 15W, IP54, LED Strobe Voltage:AC220V The alarm uses 2 AAThe 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