Upper Arm Blood Pressure Monitor YE660E Upper Arm Blood Pressure Monitor YE680B Type of device upper arm upper arm Cuff type 22-45cm(large and comfortable) 22-45cmpre formed 360 upper arm cuff Screen Size 3.6 inches 4.5 inches Backlit Screen white orange Voice broadcasting Intelligent inflation technology Movement Error Detection Arrythmia (irregular heartbeat) detection Memories 99 2 x 99 Accessories A monitor, an upper arm cuff, 4 x AA batteries, a power adapter , an English user manual, a handhold bag and a packing box A monitor, a 360 upper arm cuff, 4 x AA batteries, a power adapter, an English user manual, a handhold bag and a packing box.