Features 1、MAIN FUNCTION: Features irregular heartbeat detection, excessive body movement detection, risk category index, meets your daily use needs. 2、ACCURATE RESULTS: Digital monitor uses advanced technology to automatically inflate and deflate at the appropriate level, providing personalized, accurate and comfortable measurements. 3、EASY TO USE: One button switch, cuff strap can be carried directly into the upper arm, suitable for most people, only 4 AAA batteries (not included) can be used and can be replaced at any time. 4、LED SCREEN: Digital blood pressure monitor has a large LED display that clearly shows the values for the elderly with visual impairments. The four corners of the base, non slip and not easy to fall off. 5、RELIABLE MATERIAL: Made of excellent ABS, strong and durable, not easy to damage, can be used for a long time to detect the body condition at any time. Item Type: Blood Pressure Monitor Material: ABS, electronic components, nylon Battery type: 4 x 1.5V AAA batteries (not included) Package List 1 x Blood Pressure Monitor 1 x Storage Bag 1 x Fixation Cuff (With Hose) 1 x Instruction Manual