uxcell DC 12V 2 Wire Industrial Red LED Flashing Alarm Buzzer 100dB BJ-3 Product Name : Flashing Alarm Buzzer;Model No. : BJ-3;Rated Voltage : DC 12V Sound Pressure : 100dB;Light Color : Red;Overall Size : 6.5 x 4.3 x 4cm/2.6" x 1.7" x 1.6" (L*W*H) Mounting Hole Diameter : 3mm / 0.12";Wire Length : 20cm / 7.9" External Material : Plastic;Color : White, Red Net Weight : 30g;Package Content : 1 x Flashing Alarm Buzzer