HT-R390 Hot Air BGA Rework Station can be connected with computer for to watch external temperature in the computer. It uses 3 temperature area independent control, temperature control more accurate. For big heat capacity PCB and other high requirements, lead-free solder can easily handle, max up to 320x375mm, v-shaped fissure card slot PCB positioning. HT-R390 BGA rework station is suitable for laptop computer motherboard, desktop computer motherboard, etc. Large circuit board maintenance, and mobile phone motherboard such small small-sized chip maintenance. http://www.sparepartstop.com