Harmony XB5 Buzzer Beacon, 90dB, Red, 230 V ac. Mounting Style: Base Mount. Light Effect: Blinking, Steady. Housing Colour: Black. Housing Material: Plastic. Maximum Temperature: +70°C. Minimum Temperature: -40°C. IP Rating: IP66, IP67, IP69. MPN: XB5KS2M4, Schneider Electric