Victron Energy Blue Smart Battery Charger: The new professional car battery charger with wireless solution to monitor voltage and current, to change settings and to update the charger when new features become available Built-in Bluetooth: This battery charger is equipped with built-in Bluetooth. Easily adjust charging settings and monitor real-time and historic data via the Victron Connect app. Switch to power supply mode to power DC loads without a battery High efficiency and protected against overheating: With up to 94% efficiency, this trickle charger generate up to four times less heat when compared to the industry standard Plug and Play: Comes with easy to use alligator clips. Or, leave the M8 eyelets permanently connected to your battery and simply connect/disconnect the float charger using the included quick connectors. For all kind of devices and vehicles: Victron Energy Blue Smart IP65 Charger is splash-resistant and can be used on devices in your workshop and on motor or marine vehicles, such as (classic) cars, boats, yachts and motorbikes