Meeting all your diagnostic instrument charging needs. Colored LED's indicate power to the unit, and that the handles are seated in wells and charging. Comes complete with 2 3.5v rechargeable Lithium Ion handles. Advanced circuitry for constant automatic safe charging and optimum lamp performance and life. Compact for convenience and mobility. Optional wall mount kit for permanently mounting to wall or cabinet. Optional specula tray conveniently stores swabs, otoscope specula, and curettes. Comes complete with two 3.5v rechargeable Lithium Ion batteries. Heads not included. Limited Lifetime Warranty.