Microprocessor controlledFeatures best performance and accuratetemperature control.Temperature calibration functionAuto sleep and wake up function, system lock,tip calibration and low consumption.Large LCD display withshuffle knob designLarge screen with backlight, LCD contrastand brightness are adjustable.Designed with functional manual and shuffleknob for easy setting, more convenient anduser friendly.High end silver alloy heaterComes with high end silver alloy heater forfast heat recovery.19 seconds reach 300C.3 data memoriesStore and recall 3 numbers of frequently usedtemperature.USB 5V/1A power outputBuilt-in DC 5V/1A USB port for power supply.SpecificationnSS-259BInput voltageAC 220~240V 50HzControl systemMicroprocessor-controlledPower consumption90WDisplayLCD 73mmX40mm, BacklightTemperature range30~500C10C /86~932F50FTemperature calibration0~699C(32~1290F), AdjustableTemperature stability2C/36F (no load)Heating elementHigh end silver alloy heaterPlugBSleep modeOFF & 1~360min adjustmentOutput voltage25VACTemperature of sleep mode30~400C/86~752FUSB port outputDC 5V/1AMemory3 setsReplacement heater9SS-259-HTSoldering iron9SS-259-SISize180 x 150 x 106mmCertificateCE, RoHS