features clear digital LCD screen, eco-friendly TPR drum head material, high elastic as real drum, with volume control and earphone jack for avoiding disturbing others while practicing. Great choice for primary drummer. Features: 3 functions in 1 portable device, counting mode, speed detection and metronome mode. Digital LCD screen, performance with full clear and dynamic visual effect. The metronome mode with 30-250bpm temp range, multiple rhythm, 0-6 beat. High accuracy beat, distinct and soft sounds. With drumsticks beating animation and loudspeaker sounds under the counting and speed detection mode. Designed with volume control and earphone jack, you can absorbed in your musical world and not disturbing others. Eco-friendly TPR drum head material, the elastica imitated as possible as real drum, with long service life and great for playing. Powered by 3 * AAA battery(not included) or DC 9V. Really good helper for the learner of percussion instruments.