The David Delight is a new easy to use Light and Sound Machine and comes with everything you need for deep effective sessions including a heartbeat for use as a breath pacer. Ideal for meditation.

The DAVID ALERT system provides safe, gentle and effective audio-visual entrainment (AVE). Studies have shown that ADD behaviors were reduced significantly and reading improved with AVE.

The DAVID PAL36 is the latets in portable audio-visual entrainment (AVE) devices.

The DAVID PALTM is an extremely portable audio-visual entrainment device. This is the one that will fit in your shirt or jacket pocket. Perfect for people on the go.