YASONG SLA-01T 120dB Adjustable Industrial Alarm Siren, 25W, Multi-Tone, IP65, LED Strobe, USB Upload Voltage:AC110V but the emergency button box

but the emergency button box is not waterproof

The YASONG SLA-B02Y-500M is a wireless remote control alarm siren with a 0–120dB adjustable loud horn

Default multi-tone alarm with tone adjustment support

2 miles in open areas

Bolt-base installation for direct screw mounting at a fixed position

YASONG SLA-01T 120dB Adjustable Industrial Alarm Siren, 25W, Multi-Tone, IP65, LED Strobe, USB Upload Voltage:AC110V but the emergency button boxThe YASONG SLA 01T industrial alarm siren combines a 0120dB adjustable horn with a LED strobe warning light for ports, docks, reservoirs, construction sites, trucks, cranes and outdoor security warning areas. This model works by power on operation: when powered on, the siren sounds and the LED strobe flashes at the same time. When power is turned off, the alarm stops. 0120dB adjustable sound for different site noise levels Default multi tone alarm