The DGX 280 for pediatric emergency auscultation comes with both a large head with a diameter of 38 mm (1.49 in) and a smaller one measuring 25 mm (0.98 in) in diameter. The unit weights 82 g (2.89 oz.) This essential instrument has a light blue tube for immediate identification. The DGX 280 is lightweight and comfortable to wear. The design reduces disturbing elements for perfect sound transmission. The unit is shipped in single packaging.