Product Name: Electronic Buzzer;Model No.: LZQ-401K;Sound-making Type: Continuous Sound Rated Voltage: DC 6-24V;Rated Current: 180mA;Sound Pressure: 105dB Operating Temperature: -20C to +80C;Body Size: 57x 45 x 40mm / 2.2' x 1.8' x 1.6'(L*W*H);Overall Size(Approx.): 57x 45 x 59mm / 2.2' x 1.8' x 2.3'(L*W*H) Mounting Hole Diameter: 2.8mm / 0.11';Wire Length: 28cm / 11';External Material: Plastic Color: Black;Weight: 52g;Package Content: 1 x Electronic Buzzer