Weller WAD101N Digital Compressed Air Hot Air Station features a powerful 100-watt HAP1 pencil that precisely delivers hot air to small SMT parts which reduces the risk of damage to adjacent components and in order to provide exeptional control there is a finger-activated hot air switch on the pencil. The Weller WAD101N Digital Compressed Air Hot Air Station’s digital temperature control has easy-to-read LED display for fast and accurate temperature set, the optional WCB1 programming module provides temperature lock-out for process control, temperature set-back for extended tip life, and F to C conversion.