Brand: AutomationDirect Item: Audible alarm buzzer Connection: Screw terminal IP Rating: IP65 Housing Material: Plastic Mounting: Panel Color: Black Voltage Rating: 24 VAC/VDC Barrel Size: 22mm Number of Alarms: 1 Loudness Decibel: 80 dB at 10cm Tone Frequency: 2.4 kHz Tone Type: Pulse Touch to Acknowledge: No AutomationDirect audible alarm buzzer, 80 dB at 10cm, 2.4 kHz tone frequency, pulse tone(s), 24 VAC/VDC, 22mm, panel mount, plastic housing, black, IP65.