Specifications:
Model: AROMA AT-07
Material: Aluminium Alloy
Tuning Mode: Chromatic
Pitch Range: 430-450Hz
Flat: b, bb, bbb, bbbb
Tuning Tolerance: +-0.5 cent
Power supply: AC Adapter 9V DC (not included)
Item Size: 9 * 3.8 * 4.8cm / 3.5 * 1.5 * 1.8in
Item Weight: 131g / 4.6oz
Package Size: 12 * 7 * 6.5cm / 4.7 * 2.7 * 2.5in
Package Weight: 223g / 7.8oz

Note:
Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.

Package List:
1 * Chromatic Tuner
2 * Adhesive Tape
1 * User Manual (English & Chinese)
1 * Hardcover Box