Runs on 4 AAA Batteries.
0 inches (L) Weight: 1.0 pounds Included in the box: Includes: 1 Battery Operated Light Therapy Hair Growth Comb 1 Nine Piece Zippered Grooming Set 1 Silicone Mini Massage Brush 1 Wide Paddle Salon Grade Detangle Brush and Instruction Page Made in China No need to worry about missing a spot - Projects a continuous beam over the intended area of treatment.0 inches (H) x 2.