Werma 442 Series Yellow Sounder Beacon, 18 → 30 V, IP65, Wall Mount, 120dB at 1 Metre

The Werma green 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

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