Better time management. Protect you kid's eyes. Prevent shortsightedness!


Model SE535
Compatible with Nintendo DSi
Size 100 x 10 x 14 (mm)
Minimum alert distance 10 cm
Maximum alert distance 30 cm
Maximum sound level 40 dB
Alert method Progressive
Alert sound frequency 2.7 KHz
Battery Nil
Technology Infrared


  • Alerts and/or shuts down DSi when too close or for too long
  • Displays session playing elapsed time
  • Displays daily accumulated playing time
  • Progressive alerting method:
    flashing LED, vibration, shut down
  • Adjustable alert distance
  • Selectable session limit
  • Selectable daily limit
  • No batteries needed
  • Accurate infrared technology
Nintendo DSi New Features:

Abstract from Nintendo's web site for Health & Safety Precautions:

  • WARNING - Repetitive Motion Injuries and Eyestrain
  • Playing video games can make your muscles, joints, skin or eyes hurt after a few hours.Follow these instructions to avoid problems such as tendinitis, carpal tunnel syndrome, skin irritation or eyestrain:
  • Avoid excessive play. It is recommended that parents monitor their children for appropriate play.
  • Take a 10 to 15 minute break every hour, even if you don't think you need it.
  • If your hands, wrists, arms or eyes become tired or sore while playing, stop and rest them for several hours before playing again.
  • If you continue to have sore hands, wrists, arms or eyes during or after play, stop playing and see a doctor.

For more details please check the Nintendo web site: