Xinfly Wired Alarm Siren Horn 1-Tone 15W Dc 12V Outdoor With Bracket For Home Security Protection SystemOperating Voltage: 12V DC (Power Adapter NOT Included) .Working Power: 15WBracket: Iron stand.Color: Black .Dimensions(L x D):104 x 102mm.Red Wire (Positive),Black Wire(Negative).Decibel Level:120dB.Material:ABS flame retardant material shell, me..