... temperature calibration -simple and convenient operation -Anti-static design -Front sensor designs -Temp locking TDA-203H High Frequency ... Station -Soldering bits, sensor, heating unit split design, low cost-Front sensor designs, accurate temperature control, recover rapidly ... calibration, simple and convenient operation-Anti-static design Model NO.TDA-203HTDA-204HWorking voltageAC200-240V 50Hz ...