DC Power Supply Output Volts (DC) 13.8V Output Current (Amps) 3 A Current Limits 0 Percent to 100 Percent Meter Type LED 120 Input Voltage Input Frequency (Hz) 60 Hz Over Voltage Protection Hardwire Terminals Connection Display Dual LED Includes Instruction Manual with Warranty Information Manufacturers Warranty Length 1 yr Height 5.5 in Width 3.5 in Depth 7 in Yes Calibration Certificate