Harmony XB5 Buzzer Beacon, 90dB, Yellow, 110 V ac/dc. Mounting Style: Base Mount. Current Type: AC, DC. Light Effect: Blinking, Steady. Housing Colour: Black. Minimum Temperature: -40°C. IP Rating: IP66, IP67, IP69. Maximum Temperature: +70°C. Housing Material: Plastic. MPN: XB5KS2G8, Schneider Electric