uxcell DC 5V PCB Board Electricity 85dB Buzzer Alarm Time Delay Module FC-32 Product Name : Alarm Time Delay Module;Model : FC-32;Rating Voltage : DC 5V Buzzer Level : 85dB;Fixing Hole Dia : 3mm/0.12" Fixing Hole Center Distance : 51.5 x 24.5mm/2" x 1"(L*W);Overall Size : 56.5 x 29.5 x 12mm/2.2" x 1.2" x 0.47"(L*W*H) Materials : Metal, Plastic, Electric Parts;Main Color : Blue Weight : 11g;Package Content : 1 x Alarm Time Delay Module