The HoMedics Premium Automatic Arm Blood Pressure Monitor gives you peace of mind and the supersized backlit display is great in any light condition. The monitor features a Triple Check Measurement System, Rest Assure Mode, and an Irregular Heartbeat Detector. The automatic date & time stamp feature allows you to easily keep track of changes over a large period of time. Thanks to the 5 year warranty you will be in good hands for a long time to come.