FLEOR Traditional Triangle Mechanical Metronome (Light Teak) with Bell, High Accuracy Tempo Range 40~208bpm for Piano, Guitar, Drums, Bass 1. Improve Your Rhythm and Tempo. FLEOR provide you a high-quality and elegant metronome, the adjustable beat, tempo and high tempo tolerance keeps you on track to playing your music correctly. The metronome is great for any skill level, including beginners, it's great for piano guitar violin ukulele practicing, and useful for practice lessons and exercises at home. 2. No Battery Needed, Easy to Use. The metronome is classical conical shape, must be used on level surface. Our mechanical metronome is a wind up spring mechanism, no battery needed, it is great for providing a loud sound to aid you in keeping track of beats and tempo when practicing with various musical instruments. 3.Large Selection of Beats. Pendulum of our FLEOR metronome can make up 40 to 208 beats per minute, the beat selection is 0, 2, 3, 4, 6, and tolerance is less than 1% . You can easily adjust the speed of the beat and tempo when you move the weight up and down the pendulum rod. 4.High quality and portable. Unique mechanical metronome adopts durable copper gear movement.It has a wind up mechanism and a swinging pendulum and is enclosed in a high-impact plastic case. Please be attention that in case the pendulum stopped not vertically, do not force it to return to the center position. 5. Warranty Guarantee. Package contains 1pcs mechanical metronome, after using the metronome, put the pendulum in the hook and close the cover. We are strive to provide world class customer service, if you are unsatisfied with its quality, we provide 30-days exchange or money back.