Werma 461 Series Green Sounder Beacon, 115 → 230 V, IP65, Wall Mount, 98dB at 1 Metre

The Werma green mini Twin Flash combination 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 process

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