This 500 Amp magnetic latching Blues Sea® Battery Switch provides high amperage switching under load and allows you to turn the battery switch on or off without having to access the battery bank. When paired with the your Siren 3 Series Main Device, this capability is brought to the next level – allowing you to control the battery switch remotely using the Siren Marine App! Featuring remote control, as well as a manual override, this product provides the convenience of remote capability, while maintaining the ability to manipulate the battery switch locally.