Fashionable design, high sensitive and precision for tuning ModelET-2005Items of functionGuitar and BaseFeaturesFashionable design, high sensitive and precision for tuningSpecificationA4 tone frequency range: 430-450Hz Size: 92x53x17mm Weight: 40g Packing: Giftbox packing, 100pcs/cartonColorblackAccessoryInstruction sheet, AAA size battery x 2PHONE86-755-86222014 FAX86-755-86216048