Specification:

1.Product Name : Electronic Buzzer

2.Model No : SFM-27

3.Type : Continuous Sound

4.Rated Voltage : DC3 24V

5.Sound Pressure : 90dB

6.Overall Size : 48 * 30* 15MM 1.9″ * 1.2″ * 0.6″ (L*W*T)

7.Mounting Hole Diameter : 3MM 0.12″

8.Wire Length : 10CM 3.9″

9.External Material : Plastic

10.Color : White

11.Weight : 9g

12.Resonant Frequency: 3100±500

13.Operating Temperature: -20～+80℃