Features: 1.The pickup is great for tuning on the move or on-stage. It features a note function for manual string tuning as well as an auto mode which will detect the string you are tuning automatically. 2.As well as giving your guitar a modern look, the backlight LCD ensures visibility in all lighting conditions. 3.The built-in tuner will be preferable over a clip-on tuner in noisy conditions. The indicators will ensure your guitar will always be perfectly in tune and within 10 cents accuracy. 4.The three LED lights will show if the string is flat, sharp or in?tune. 5.Great accessory for acoustic guitars. specification: The pickup is great for tuning on the move or on-stage. It features a note function for manual string tuning as well as an auto mode which will detect the string you are tuning automatically. As well as giving your guitar a modern look, the backlight LCD ensures visibility in all lighting conditions. The built-in tuner will be preferable over a clip-on tuner in noisy conditions. The indicators will ensure your guitar will always be perfectly in tune and within 10 cents accuracy. The three LED lights will show if the string is flat, sharp or in-tune. Great accessory for acoustic guitars. s: Condition: Brand New and High Quality Material: Plastic Color: Black Frequency Response: 20Hz-20kHz (+/-3dB) Input Impedance: 2.2Mohm Voltage: DC 9V Size: Approx. 98 x 58 x 40mm / 3.8 x 2.3 x 1.5inch Weight: Approx. 164g Package Included: 1 x Guitar Pickup 1 x Piezo Pickup 1 x Connecting Box 1 x Sticker 1 x Mini Mic 8 x Screws Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.