Special horn six surround soundRemote start and flameoutExtra strong noiseproof featureResistance to high pressure and waterproofUltralow power consumption without an effect on battery lifeLong memory of burglarproof function protects from cutting wires of powerDecibel alarm horn: 120-125dBWorking frequency: 315MHz or 433MHzWorking current: Less than 400mAStatic current: Less than 5mAWorking voltage: 9~16VFunction: Arming, Disarming, Vehicle finderRemote control, easy to useCan help your motorcycle keep away from thieves Red line: "+" Positive vehicle battery, or a positive line on the vehicleBlack line: "-" Negative vehicle battery, or vehicle on the negative lineGreen or blue line: Signal line (No installation)colour:blackMaterial:plasticsize:Alarm speaker size: approx. 8.3x 7.3 x 3.4cm (L*W*H)Package Contents:1 x Alarm Speaker2 x Remote ControlOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.