The weller battery powered cordless soldering iron heats up to working temperature in under 30 seconds it does up to 120 solder joints per set of 3 alkaline batteries a red indicator light shows that the power is on for added safety a protective safety cap turns off power when placed on tool the soldering iron is ideal for field service repair on small parts components microelectronics hobbies small appliances and more comes with 3 x aa batteries lead free solder conical 04mm tip and tip removal