40 Hz Light Therapy Bulb Device for Gamma Brainwave Entrainment, Improve Mood, Memory and Cognition

This is a 40Hz Gamma frequency LED light bulb that can be used for gamma brainwave entrainment. A holder with switch is included for easy test and travel use. MIT's research shows that gamma frequency light flickers are helpful for Alzheimer's.

Features:
· 40 Hz light therapy bulb for gamma brainwave entrainment
· 9W LED high brightness white light
· Includes a bulb holder, ready to use upon opening box, convenient for travel use
· 40Hz (25ms) precise timing in accordance with MIT papers