Cherub DT-10 Drum Tuner, Mirophone picks the sound of the acoustic drum, clamp mounted on on rim of the hoop, turn the tension rods for change and see on the display the pitch of the shell, the DT-10 can fitted on different hoops, battery rechargeble from USB, Tuning Range 30-500Hz, Weight 155g, DT-10 comes in metal housing,