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Compatible with iOS 10 and newer, and Android devices running 5.0 or newer.

Coincell battery CR2032, one battery lifetime 3 months

Data storage on device 1-2 days until next synchronisation with a smartphone. Lifetime activity data storage in the cloud.

Materials & weight
UVIsio sensor — heat, water and UV resistant policarbonate. Soft-touch painted back. 13.50g.
Magnetic clasps — Solid aluminum. Rare Earth magnet. 1.00g.

Sensor: 2,5 cm x 2,5 cm x 0.5 cm
Magnetic Clasp: 2,5 cm x 2,5 cm x 0,2 cm

Sun exposure coaching

Feedback with LED and vibration on device when sun exposure exceeds maximum

Daily UV tracking

Daily vitamin D dose and safe sun exposure dose


Visual representation of historic sun exposure in the app

Battery life

3 months full operation. No need to recharge!


  • UVisio Sun sensor
  • Coincell battery
  •  Aluminum Magnetic Clasp
  • Free Apps for iOS and Android