Amazon.com: LiteFuze LT Series 1500 Watt Voltage Converter Transformer Step Up/Down - 110v to 220v / 220v to 110v Power Converter - Fully Grounded Cord - Universal Socket, CE Certified [5-Years Warranty] : Electronics
Amazon.com: YaeCCC ST-3000 Step Up Step Down Transformer 110V to 220V Step Up Voltage Converter Transformer : Electronics
LED Transformer 230 V to 12 Volt - 30 Watt 2.5 A Electronic Driver Power Supply for Low Voltage 12 Volt Bulbs : Amazon.de: DIY & Tools
Amazon.com: High Voltage Transformer : Industrial & Scientific
Tilswall Soldering Station, 65W Solder Station Welding Iron with Smart Temperature Control (392°F-896°F), Extra 5pcs Soldering Tips, Built-in Transformer, Ideal for School Lab, Hobby, Electronics - - Amazon.com