Tough Sleeve for Hard-Wired Installation – This sleeve is made to fit the 2017 Galaxy Tab A (model SM-T380). – It DOES NOT fit the new 2018 Galaxy Tab A (model SM-T387). – Rugged, Mountable Enclosure with Integrated Charging – Passes 6 ft Drop-Test to Concrete – Hard-Wired Power Harness for 12/24V Power Source – One Handed Quick Release via Sliding Power Block Docking Interface