Here is another smart blood pressure monitor that gives you access to your systolic and diastolic plus heart rate readings with medical-grade accuracy. The Withings BPM Connect has a LED screen and color-coded feedback system and supports sync over WiFi and Bluetooth. You can store up to 8 measurements on the device before sync.
The battery lasts up to 6 months on a rechargeable battery. You can get yours for under $100 at this time.