Mobile Audio Relay and Battery IsolatorGreat for isolating a second batter making it dedicated to the stereo system200 Amps at Continuous Power Handling300 Amps Surge Power HandlingSwitching Power: 10 - 16 VDCDraws Less Than 1 Amp When OnThe 200 AMP Isolator is the perfect solution when adding a secondary battery to your audio system. It allows the second battery to be fully dedicated to the sound system and does not create a voltage drop like common isolators tend to do. The isolator will draw less than 1 amp when your vehicle is powered on. All of this will ensure that your battery will be isolated with confidenceVoltage:DC12vcolour:SilverMaterial:metalsize:65*70mmPackage Contents:1 * Isolator RelayOnly the above package content, other products are not included.