BlackJack SolderWerks Thru-Hole Desoldering Station (BK4000) Compact unit with air cylinder type strong suction vacuum pump. Suited for multi-layered PCB reworking. Power Input: 110 VAC - Power Consumption: 70W - Output Voltage: 24V TemperatureRange: 200 - 480 degrees Celsius Tip to Ground Resistance: Below 2 ohms - Tip to Ground Potential: Below 2mV