Features:
1) Small and unique
2) The plug can be drawn out in emergency to make a alarm sound
exceeding 90 dB
3) Dimensions: 6 x 5 x 2.4cm

Inner packing:
Color card (16 x 11.5cm) and plastic shell

Outer packing:
240pcs/ctn
Carton dimensions: 51 x 31 x 52cm