SpecificationsPower SupplyAC/DC Wall mount adapter 5V 5W with USB 1.1 Cable A Male to B Male 4.92 feet ShieldedComputer USB portFrequency: 1.0 to 100.0 Hz in 0.1 Hz increments with an error of 0.05%Slide Holder: 2 x 2 in 35 mm holder for optional neu