The ideal purchase for the ukulele player; This Rocket ukulele clip-on electronic tuner makes tuning easy with its rotating clip so you can tune with comfort. Simply clip onto your Uke and play each string. Suitable for all players of all ages this little tuner is compact and easy to store. Easy to read display indicates whether to tune up or down. Clip on electronic ukulele tuner. Fully rotating head for complete versatility. Model rt40u. Button cellbatteries (included) . Size H2, W9.8, D14.8cm. Weight 0.06kg. Manufacturers 2 year guarantee.