Features:

• Support 6 display modes(include big font mode)
• Lightweight and easy-to-use
• Color OLED simultaneously displays testing value and plethysmogram
• Adjust the parameters in friendly menu
• Manually adjust the direction of interface
• Low battery voltage indicator
• Visual and sound alarm function
• Automatically switch off while no signal

Standard accessory:

• AAA 1.5V alkaline battery 2pcs
• Operation manual 1pcs
• Hanging string 1pcs