Product: Buzzer ( annunciator )

Water Resistant Level : IPX2

Battery Power Indicator

Accessories: key chains, drawstring &insulband

Color: blue / pink

Volume: 88dB

Lasting time: 20～30mins

Size: 45.5*35*28.5mm

Weight: 24.6g

QTY in Carton: 50/100pcs (Blister card packing)

Measurements: To be advised

battery specification：CR2032*1