产品明细

Product: Buzzer ( annunciator )                                         

It buzzers with red LED light on 

Accessories :key chains & drawstring                     

Color: white / blue 

Lasting time:20～30 mins                               

Size: 45*31*21mm

QTY in Carton: 50/100pcs 

(Blister card packing)                              

Measurements: To be advised                                        

Battery specification：CR2032*1