This model features a Hand Paddle with 60 Red LEDs on one side and 57 Near Infrared (NIR) plus 3 Red LEDs on the other side. It operates using one of eight timed Modes or an Automatic timed cycle that runs through all Modes. It uses a USB connection.
This model features a Hand Paddle with 60 Red LEDs on one side and 55 Near Infrared (NIR) plus 5 Red LEDs on the other side. It operates using one of eight timed Modes or an Automatic timed cycle that runs through all Modes. It uses a telephone RJ11 connection.
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