تفاصيل التعبئة والتغليف
16mm 19mm 22mm waterproof stainless steel electronic piezo buzzer piezoelectric loud 3v 5v 9v 12v 15v 24v 110v 220v
1. Plastic bag for goods+ inner box bubble+ inner box +carton
2: Upon customers' request, but the price is different with neutral packing