It's easy to use,choose the right staple, insert it into the brass holder, press the power button, wait a few seconds, and let the staple melt into plastic parts slowly, in case the staple crosses through the plastic board The JPT Bumper repair kit comes with 4 types of staples, to meet your different needs, A shape staple can resolve inner corner issues, A shape staple can resolve outer corner issues, another two staples can resolve flat surface issues You can use it in a dim environment because the welder gun has a front light, it's convenient to operate in a dim environment. Specs: Plug: Indian 2-pin Plug Voltage: 220V Power: 50W Material: ABS + stainless steel Color: Cyan Cable Length: 1.5m