MEDICHOICE* Standard Sphygmomanometers are made of quality materials and provide reliable service and output. Each sphygmomanometer has a navy blue nylon cuff with black bulb and bladder size guide range markings to help prevent miss-cuffing artery label gauge holder and hook and loop closure. The unit measures blood pressure from 20 mmHg to 300 mmHg certified accurate to +/-3mmHg. Each sphygmomanometer comes with operating instructions and leatherette carrying case with durable nylon zipper. The unit is sized for a child/small adult.