The DuraShock 44 is an exceptionally lightweight (70 g) and durable sphygmomanometer, resistant to shocks and the effects of drops (up to 76 cm without the need for calibration). The 360° rotatable gauge clips directly into the cuff for convenient operation. The measurement accuracy is guaranteed for 5 years, and the super durable cuff withstands over 100,000 measurements. Includes a standard cuff (No. 11, navy blue); other sizes are also available. This model is easy to clean, latex-free and inexpensive to operate.