SS-331H Electric Desoldering Pump – Handle and Glass Tube for Desoldering and Soldering Electric Desoldering Irons SS-331NH Standard Specifications Voltage: 220–240 V, 50/60 Hz Power consumption: 160 W Vacuum pressure: ~600 mmHg Display: LED Vacuum pump system: Air pump + solenoid valve Temperature presets: Three quick-adjust settings Sleep mode: 0–30 minutes Pump delay: 0–5 seconds Calibration: Yes Temperature Range: 160–480°C Heating Element: Nichrome heating element Temperature Units: °C/°F Solder Suction Delay: 0–5 seconds