This professional-grade piezoelectric siren will gurantee that your alarm gets heard. With two unique tones, and ease of installation and integration with siren-capable systems, this siren will be a strong voice to your security network.Features:Professional-grade piezoelectric sirenRated Voltage: 6-14V DCColor: WhiteTones: TwoDimensions: 4 3/4″ L x 29/32″ W x 1 1/8″ H (121 x 74 x 29mm)Power Draw: 150mA maxOperating Temp: -40 – 158F (-40 – 70C)Rating: 113dB 3dB @12V DC @3’3″ (1m)PI Manufacturing Corp.PI-YU-504