Item Type: Blood Pressure Model Number: jzk-B02 Size: 126mm(L)*100mm(W)*53mm(H) (4.9in * 3.9in * 2.0in) Brand Name: Saint Health Material: Engineering Plastics Application: ARM Commodity Quality Certification: CE Blood Pressure: 20-280mmHg Pulse Rate: 40-165 times/min Memory Capacity: 60 Group of measurement data Weight: 500g (1.1 lbs) Power: AAA Batteries*4(not include) it can use AC power Pressurization: Automatic Pressurization Mode is_customized: Yes Estimated Delivery Time: 23 days