white noise evironmental-protect backup alarm/backup horn/backup siren,will function well with warning lights or car alarms.

(1).Spec. of the backup alarm/horn/siren

     ♦white noise / beep beep sound

     ♦current:500mA

     ♦voltage:12-80v

     ♦Db/m:107±3Db

     ♦fully waterproof

     ♦color:black

     ♦material:steel

(2).Appearance

(3).Packing

(4).Contact us

For quick reply,please add my skype:orchid.richard for more details.