Dose it use vibration ?

I would advise against leaving it clipped onto the headstock permanently as the reviewer above suggests. Well, definitely take it off when the guitar is not in use. I left mine nearly always permanently clipped onto one my several guitars, and eventually one of the plastic gripping arms broke due to the constant pressure of the spring. However, it is a good tuner, and I will buy another. You can leave it clipped onto the guitar all the time while you are actually playing, as it is light and unobtrusive, but when you've finished playing the guitar, remember to take the tuner off, or it will probably break in time. I don't see that as a design fault, I just made a mistake by leaving it permanently clipped onto a guitar which it is probably not designed to do, strengthwise. I had mine for about 3 and a half years, and a lot of that time it was permanently clipped onto a headstock, because it was easy to find, and ready to use, so it did last a long time before it actually broke. I won't be leaving the next one permanently clipped on when the guitar is not in use.

is this ok for electric guitars?

Yes it works both when the electric guitar is plugged into an amp and when it’s not

Can it be used with a tenor banjo?

Yes, you can tune pretty much anything that vibrates with this gizmo!

Does this turn off automatically?

Yes, it does. Can’t tell you how long but if you forget about it the battery won’t run flat. It has good battery life and the batteries are very cheap online in bulk packs.

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D'Addario Guitar Tuner - Eclipse Headstock Tuner - Clip On Tuner for Guitar - Great for Acoustic Guitars & Electric Guitars - Quick & Accurate Tuning - Black

D'Addario Guitar Tuner - Eclipse Headstock Tuner - Clip On Tuner for Guitar - Great for Acoustic Guitars & Electric Guitars - Quick & Accurate Tuning - Black

Product ID: 48375065

Details

Brand
D'Addario
Colour
Black
Item dimensions L x W x H
9.6 x 4.4 x
Material
Lithium
Model name
PW-CT-17BK

⚡Quick tuning in seconds

🎯Extreme accuracy with 435-450Hz calibration

🔄360° adjustable dual swivel screen

¥5239

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎸 Tune like a pro, look like a star!

TUNE IN A FLASH ⚡ - Get your guitar pitch-perfect in seconds with lightning-fast response.
ROCK SOLID GRIP 🔒 - Strong clamp keeps your tuner firmly in place—no slips, no distractions.
PINPOINT PRECISION 🎯 - Wide calibration range ensures your sound is always spot-on, every time.
STYLE MEETS FUNCTION 🎨 - Choose from 6 vibrant colors to match your vibe and stand out on stage.
CUSTOM VIEWING ANGLES 🔄 - Dual swivel, full-color display adapts perfectly for left or right-handed players.

The D'Addario Eclipse Headstock Tuner is a clip-on tuner designed for both acoustic and electric guitars, offering ultra-fast and highly accurate tuning with a wide calibration range (435-450Hz). Featuring a vibrant, fully adjustable dual-swivel color display and a strong clamp for secure attachment, it caters to all players including lefties. Available in six stylish colors, it combines precision, convenience, and personal flair in a lightweight, portable design.

Specifications

ASIN	B01IBI88R4
Batteries	1 CR2 batteries required. (included)
Battery Type	Lithium
Best Sellers Rank	30 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 2 in Tuners
Body Material	Plastic
Colour	Black
Date First Available	1 Aug. 2016
Delivery information	We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
Guaranteed software updates until	unknown
Item Weight	40.8 g
Item model number	PW-CT-17BK
Material Type	Lithium
Musical Style	CN
Product Dimensions	9.65 x 4.45 x 14.61 cm; 40.82 g
Scale Length	inches
Standing screen display size	3

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