This model supports LCD Backlight functions to be chose

• 1 Color backlight
• 3 Colors backlight: LCD displays with different color according to the different blood pressure level as below, Green: Optimal/Normal blood pressure, Yellow: High normal value, Red: Mild/Moderate/Severe hypertension

Spec.

• Large LCD size: 36.6x41.6mm with digit height 15.4mm
• 2 x 90 groups memory function
• Average calculating for the latest 3 times measurement value
• Blood pressure classification (WHO) indicator
• Irregular heartbeat (IHB) indicator
• Year/month/date/time function
• Accuracy: Pressure ±3mmHg; Pulse±5%
• Automatically inflate and deflate
• Power by 2 AAA size alkaline batteries
• Automatic power-off function
• Packing details: 1. Product size: 69.5x66.5x60.5mm; 2. Gift Box Size: 88x87x87mm; 3. Meas: 445x360x178mm, 40pcs/ctn; 4. N.W/G.W.:8.7/9.3kgs; 5. 20':36,400 pcs /910ctns; 6. 40':75,040 pcs /1,876ctns