Description: - Rated voltage: 110V - Max. current: 30A - Max. adjustable voltage: 20V Gold plating (14K, 18K, 24K): - Anode (+): clamp titanium mesh - Cathode (-): clamp jewelry - Temperature: 70 – 80 ℃ - Plating time: 20 – 50 seconds (based on plating 1 – 4 piece rings) Silver plating: - Anode (+): clamp titanium mesh - Cathode (-): clamp jewelry - Voltage: 5 volts - Temperature: 40℃ - Plating time: 3 – 5 second Platinum plating: - Anode (+): clamp titanium mesh - Cathode (-): clamp jewelry Adjustable range of voltage: 3 – 4 volts - Temperature: 30 – 40℃ - Plating time: 90 – 120 seconds (based on plating 3 – 5 piece rings)