Check the listing for details. VEF-1/-2 Fully Automatic Expander Electric Copper Tube Expander Flare Expander. Condition: New. Listed at 349.99 USD. Product parameters: Model: VEF-1 Dimensions: 256*101*100mm Expandable diameter: 1/4", 3/8", 1/2", 5/8 (16mm), "3/4 (19mm)" (6,9,10,12mm optional) Expanded tube shape: bell mouth Nominal voltage: DC7.4v Capacity: 2.0Ah Expansion potential: 3/8" copper pipe about 90 times (full power) Charging time: 35 minutes Operating temperature: 5-40℃ Model: VEF-2 Dimensions: 256*101*100mm Expandable caliber: 1/4", 3/8", 1/2", 5/8 (16mm), "3/4 (19mm)" 6, 9, 12mm, 10mm (optional) Expanded tube shape: bell mouth Nominal voltage: DC7.4v Capacity: 2.0Ah Expansion potential: 3/8" copper pipe about 90 times (full power) Charging time: 35 minutes Operating temperature: 5-40℃ Charger: VAC-2 Input voltage: AC 100-260v Output voltage: DC 8.4v Frequency: 50/60hz Output current: 3.5A Input power: 50w