... & nipper product name: BEST-857D+ lead-free helical hot air gunSensor close loop,microcomputer control the temperature,LED display, high ... ,accurate and stable temperature ,can not be affected by air volume.Unsoldering with Pb-free solder. Adjustable airflow,heavy ... service life of the heating element and protect the hot air gun. MODERated VoltagePower ConsumptionAir PumpAir FlowTemp.Control Length of ...