Professional installation and grounding are required
forklifts and utility vehicles
This siren requires wiring and does not include a built-in battery
USB custom audio upload for personalized warning sound
0–130dB adjustable volume for different warning needs
YASONG SLA-003 110dB Power Outage Alarm Siren, 23W, IP65, LED Strobe, 1.2Ah Backup Battery collection-solar-powered-alarms Professional installation and grounding areThe YASONG SLA 003 power outage alarm siren combines a 110dB loud horn, LED strobe warning light and built in 1. 2Ah rechargeable battery for farms, fish ponds, banks, substations, telecommunications rooms, hospitals, factories and security areas. This model works by power failure activation: after power is supplied, the siren stays in standby mode. When power is cut off, it triggers both audible and visual alerts. 110dB default siren sound for clear