This siren requires wiring and wall-mounted installation
The YASONG SLA-1509 portable rechargeable outdoor alarm siren combines a 0–120dB adjustable horn with a LED strobe warning light for cranes
Fully charge the beacon before use and mount it on a suitable metal surface for better stability
3 flashing modes including simulated revolving
flood control areas and temporary emergency warning use
YASONG SLA-800B 120dB Portable Rechargeable Alarm Siren, 12 Tones, IP65, 2600mAh Battery, LED Strobe Product Size:6.29x5.88x8.69 inches This siren requires wiring andThe YASONG SLA 800B portable rechargeable alarm siren combines a 120dB adjustable horn with a LED strobe warning light for warehouses, homes, factories, mines, schools and outdoor warning points. This model uses a built in 2600mAh lithium battery and can be charged by AC100240V power. The remote control adjusts volume, tone and working mode within about 8m. Portable rechargeable design for temporary warning use 120dB adjustable sound controlled by