ITEM NAME:LZQ-3022 DC 6-24V 2 Wire Industrial Electronic Discontinuous Sound Buzzer 6 V7Y3 LZQ-3022 DC 6-24V 2 Wire Industrial Electronic Discontinuous Sound Buzzer 6 V7Y3 LZQ-3022 DC 6-24V 2 Wire Industrial Electronic Discontinuous Sound Buzzer 60dB Product Name : Electronic Alarm Buzzer;Model No. : LZQ-3022;Sound-making Type : Discontinuous Sound Rated Voltage : DC 6-24V;Sound Pressure : 60dB;Overall Size : 39 x 22.5mm / 1.5"" x 0.9"" (Dia*T) Mounting Hole Diameter : 3mm / 0.12"";Mounting Hole Distance : 46mm / 1.8"";Wire Length : 11cm / 4.3"" External Material : Plastic;Color : Black Weight : 13g;Package Content : 1 x Electronic Alarm Buzzer" "Plastic housing, DC 6-24V working voltage, black, and red 2 wire, convenient for wiring. An ideal item for industrial use. Note:Light shooting and differnent 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..: LZQ-3022;Sound-making Type : Discontinuous Sound.