Clip-on tuner with a tuning function that changes from red to green. - Model Name: JT-12B - Type: Clip-on tuner - Function: Changes from red to green when tuning is correct - Supported Instruments: Guitar, Bass, Violin, Ukulele, Chromatic - Backlight: Yes ● Suggested Retail Price (tax included) ¥2,750 ● This is the very compact JOYO JT-12B Mini Clip-on Tuner. ● You can use it for guitar, bass, as well as ukulele and violin. It also has a chromatic mode, and it works even with half-step down or whole-step down tunings. ● When the tuning is correct, the display text changes from red to green, providing excellent visibility. ● Spec ・A4 Frequency: 430-450Hz ・Tuning Items: Chromatic, Guitar, Bass, Violin, Ukulele ・Tuning Range: A0(27.5Hz)--A6(1760Hz) ・Weight: 30g ・Size: 52 × 25 × 86mm ・Accessories: Instruction manual, Battery = CR2032 (1 piece) ■ Shipping will be via Japan Post Click Post. ■ Click Post will basically be delivered to your mailbox, so please be mindful of the security of your mailbox. Like regular mail, it usually takes 2-5 days from shipping. ■ Basically, returns and exchanges are not accepted. Please check the size carefully. ■ I am often out during the day, so replies to inquiries and shipping may take 1-2 days in some cases. Thank you for your understanding.