The clearly visible LED display and the buzzer are discreet yet striking, making them the perfect signal for various indoor applications. LED light with buzzer: When the display is activated, the red LED light illuminates and an acoustic signal with a volume of up to 70 dB sounds. Particularly convenient: the LED and buzzer can also be controlled separately. Additionally, both signal types can be set to a continuous or pulsating function with short interruptions. Easy installation indoors: The display in a compact housing can be easily mounted with screws indoors and is controllable via 12 V or 24 V DC.