Werma 439 Series Red/Yellow Sounder Beacon, 9 → 60 V, IP65, Wall Mount, 105dB at 1 Metre

The Werma red and yellow Flash/Sounder beacon is a surface-mount alarm that combines visual and audio warning signals to enhance safety in your workplace. Mount this beacon on vehicles or walls to caution personnel about potentially dangerous processes or

High sound output of up to 105dB
IP65 (ingress protection) rating for protection against dust and water
Can be used in a wide range of environments due to its operating temperature range of -20°C to +50°C