For guitars and many other string instruments- Version for battery operation (lithium battery CR2032)- Mode of operation: Active Motion Technology- Polar pattern: Eight- Frequency range: 20 - 20000 Hz- Weight pick-up: 26 g- Weight of BPU-1 battery power supply unit: 72 g- Requires no installation- Easy to mount on the instrument with a plasticine mass- Through different positions on the instrument (bridge, different top positions etc.) you can find your desired sound without much effort- Delivers crystal-clear trebles and thus a brilliant sound- Incl. BPU-1 battery power unit, storage case and plasticine