Product Name: Active piezo electronic alarm buzzer;
total size (not included pin):42 X17 mm /1.6"×0.67"(D* H)
The length of the cable: 11 cm /4.3 ";
Material: Plastic, metal
Main Color: Black;
Net weight: 25 grams
Package Contents: 1 x active piezo electronic alarm buzzer
Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.