high volume police car alarming siren and horn for good effect high volume police alarming electrical siren and hornDC: 12V/24VPower: 150W, 200W, 300W, 400WDistortion:<=10%Current: 8A/10ASPL: 110-120dBSize: 190*170*160mmTone: 8 tonesTones: WIAL-1, WAIL-2, YELP, HORN, SIREN, TOOT, PHASER, Hi-Lo, RITEweight: 1.80KGCertification: ISO9001 and CE police car alarming siren and horn(high volume siren)