Wireless engraving pen- color: black/ gold- high speed motor 23,000 RPM engraver- use 2 AAA alkaline batterie- size 160x15x15mm- weight 40g- brand: DMD- could be customised with your name being engraved on (please put in remark)Best choice engraving pen for beginners! As seen on Amazon. Easy to use, simply hold the engraver as pen and apply pressure on working surface!