A wrist-worn device specialized in monitoring circadian cycles with multiple sensors.

Some key features include:

• Double light sensor: visible light and filtered blue light
• Temperature sensor
• Accelerometer
• Event marking button
  
• Battery life: 10–15 days
• Memory capacity: about 21 days
• Watertight magnetic Micro-USB charging

Includes:

• User Manual
• Charging Cable
• Software Lite (free)
• Circadian and Sleep Reports: Total Sleep Time & Sleep Quality, Light Exposure Analysis, Physical Activity Overview, Skin Temperature Rhythms, Circadian Rhythm Profiles, Health & Lifestyle Recommendations, Visual Summary Charts, Chronobiological Health Index
• Warranty 1 year

(Delivery times: 1 to 4 weeks)

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Duties, taxes, or fees may be charged by customs, and these will be the purchaser's responsibility.