The ASTA A-30WSI has an innovative design,3x interchangeable tips, an ergonomic grip handle, inbuild LED work light, safety switch and cap, overcharge protection, over discharging, short circuit, ESD (Electrostatic Discharge) and EMC, EN62133, CE approved and UL listed. Application: Specially designed for precision and general joints, integrated circuit work, wire connection, heavy duty soldering applications, heat shrinking and lighter purpose (no open flame). Kit includes a lithium-ion battery soldering iron with fine tip for electrical soldering, chisel tip for automotive repair soldering and a hot blower for shrinking, cleaning sponge, leaded solder, stand and a USB charging wire.