BestDealUSA Digital Drum Pad Metronome Drummer Training Practice
Features:    Make your drum learning & exercise easier.    Lightweight & portable, easy to carry, and easy to use    Test your tap tempo or a song tap tempo accurately. (Tap)    Counting function included. (Count)    Recognizied hand feeling of beating drum by specialized drummers, close to the feeling of leather drum.    Optimizing design such as earphone preposition, external DC power, shockproof and skid-proof design    Digital LCD screen, performance with full dynamic range.    Can adjust output volume for playing with other musiciansSpecifications:    Beat: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9    Tempo range: 30, 31, 32 ......278, 279, 280    Tap tempo function.    Counting: Set time is adjustable from 5 seconds... to 99 seconds.    Power supply: 2 x "AAA" battery or 5V DC power.    Product dimensions: 207mm * 206mm * 29mm.Package contents:    1 X Drummer Training Pad    1 X Stereo Earphone    2 X AAA Batteries