FoneKong FK C210 Intelligent Soldering Station 2S Fast Heating Smart Sleep Sensor Electric Welding Iron For BGA Repair Tools. Description: 2 seconds to heat up very quickly, and real-time temperature monitoring. 2.4 inch high-definition color screen. 3 files quick temperature switch. Intelligent sleep induction, intelligent identification handle. Temperature real-time memory. This product is universal for 110V and 220V.