About the same size as an external hearing aid
Fully adjustable
Measures 2 3/4'' x 2'' x 1/2''
Includes (3) LR41 batteries in the device
Keeps you alert while driving to save lives or can be used to keep you awake at work or school

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5.9 inch
Height : 3.2 inch
Length : 6.7 inch

Item Weight: 1 pounds (View shipping rates and policies)
Shipping Weight: 1.44 ounce (View shipping rates and policies)

ASIN : B00ZARSZNC