1.high reliability surface mounting applications 2.professional manufacturer 3.Rohs compliant 4.low in current consumption

1.high quality and pretty competitive price

2.specialize in this field for 12 years

1.specifications:

2.outline drawing:

3.sound pressure

4..our advantage

a.good quality and competitive price

b.shipped fast

c.professional design and precise process

d.safety harmless

e.sell fast for oversea market

alarm buzzer/BJ-55