DO-RA dolls (dosimeter-radiometer) indicate ionizing radiation within the range from 60keV to 3MeV. DO-RA dolls are a gift of DO-RA variant for smartphones and other devices, produced by Apple. The operating systems are iOS and Mac OS. The peculiarity of this construction is a batteries design, powered by the device itself, connected through an audio jack.

• A great gift idea.
• For smartphones and other devices.