Features:

• Clip-on tuner shaped like your instrument's headstock
• New compact, lightweight and discreet design
• Wide viewing angle and LEDs for excellent visibility
• Highly stable clip attaches firmly to the headstock
• Auto Power-Off feature extends battery life

Specifications:

• Scale: 12 equal tempered chromatic steps (A4=440Hz) 
• Detection Range (sine wave): Bass E1 (41.20Hz) – G6 (1567.98Hz)
• Detection Accuracy: +/-1 cent 
• Power Supply: Coin-type lithium battery (CR2032) x 1 
• Battery Life: Approximately 35 hours (continuous A4 input) 
• Dimensions: (W x D x H) 54 x 26 x 35 mm, 2.13 x 1.02 x 1.38 inches
• Weight: 18 g / 0.63 oz. (including battery) 
• Included items: Coin-type lithium battery (CR2032) x 1 for verifying functionality
• UPC: 959112103245
• EAN: 4959112103245
• MPN: HT-B1