All-new design “5 in 1”. The all-new design “5 in 1” WMT-565C String Instrument Mate features metronome, tuner, sound, hygrometer and thermometer, which is useful for various musicians. Hygrometer & Thermometer equipped. To maintain their instruments, musicians need to be aware of the humidity and temperature of the environment. Acoustic instruments, in particular, are very sensitive to humidity levels. With Hygrometer & Thernmometer equipped, you can easily check the humidity and temperature of the environment and protect your instruments. Large Full-color LCD. The WMT-565C features a large, high-definition and colorful LCD. With the bright, beautiful full-color LCD, you can easily identify the high, low, on-tune for your instrument. Also, the temperature & humidity info on the upper right corner is specially in blue, which is super easy for you to read. Adjust the Forte for practice. You can adjust the forte of the metronome when you practice with the WMT-565C. Also, there are electronic sound and vocal count for you to choose for practicing. Rechargeable Li-ion Battery! With a rechargeable Li-ion battery, the battery life time is as long as 600 minutes.