The LI4278 is backward compatible with its key accessory — the cradle — which works with its cousins, the LS4278 and DS6878. Superior battery power management delivers the largest number of scans per battery charge to support scan intensive applications. You can use it in dusty and wet environments and it can survive a 6 foot/1.8 m drop. Spec Sheet: Interface: Serial/ USB/ Bluetooth Warranty: 3 Years Scan Engine: 1Dt Unique Feature: Cost effective Cordless Scanner