The ATC-900 Electronic Controller is a compact lightweight, durable, processor based electronic motor controller. It is designed to provide accurate amperage control for Airetool Electric Rolling Motors. Features include: Motor Identification; Expansion Counter; GFCI Power Cord; Two Key Preset in 1/10 Amp. Intervals; Auxiliary Trip Light and Lubricator Receptacles. Specifications: Volts: 110V HZ: 50/60 Amperage: 15 F.L.A. Amperage Adjustment: 0.10 Amp. Increments Weight: 3.27 kg Dimensions: - 11-3/4" x 12" x 7-5/8" - 298.45 x 365.76 x 193.68 mm Maximum Motor Amperage Settings: 966-C: 7.9 Amp. 979-C: 15.0 Amp. 999-C: 15.0 Amp.