1. Dimensions and weight: 207 x 206 x 29mm, 500g.
2. Material: environmentally friendly ABS.
3. Power supply: 2 x AAA or 5 V DC batteries (not included).
4. Strike speed range: 30,31,32 ... 278,279,280.
5. Features: Metronome, drummer trainer integrated multi-function metronome function; Accurately test your own beat beat speed or tap a songs beat function; Count, accurately test your limit beat speed count function; Comprehensive Optimized product design, including headphone front end, external DC power supply; shockproof, non-slip design; easy to use and easy to operate.
6. Make your drums easier to learn and practice, accurately test your percussion speed or song percussion time, professional drummer identification. You can adjust the output to play music with other musicians.