Oximeter JZIKI, JZK-303

• OLED display for easy read, 4 direction adjustable
• Sleep monitoring up to 8 hours
• Simultaneous display for testing value and bargraph
• Low-power consumption
• Low battery voltage indicator
• Auto power off: 8 seconds automatic shutdown
• Very light: weight only 2.2 oz with 2 AAA alkaline batteries (batteries not included)
• Fits every finger size
• 6,000 spot checks
• FDA approved