2 Pieces DC 3-24V Electronic Alarm Buzzer Piezo Buzzer Continuous Sound (Black)

Product Name: Piezo Buzzer; Signal Type: Continuous Signal; Rated Voltage: 24 V DC; Operating Voltage: 3–24 V DC; Maximum Rated Current: 20 mA at 24 V DC; Sound Level: 85 dB; Minimum Sound Pressure Level: 85 dB at 24 V DC/60 cm; Resonant Frequency: 2.9 ± 0.5 kHz; Operating Temperature: -20 °C to +80 °C; Dimensions: 42 x 35 mm (W x H); Pins: 2 (screw terminals); Outer Material: ABS; Package Contents: 2 Piezo Buzzers