DESIGNED FOR KIDS: Safe for children 3 years and older; limits brightness to 20 lumens to protect sensitive young eyes from photo-biological risk. CHILD SAFETY FEATURES: Features a battery compartment secured by a screw to prevent access to batteries, and a breakaway headband that releases under tension to prevent choking. EASY TO USE: Single button allows kids to easily cycle through three modes: Low (reading), High (playing), and White Strobe (visible from a distance). PARENT FRIENDLY: Includes an Automatic Shut-Off feature that turns the lamp off after one hour to save battery life; phosphorescent reflector helps locate the lamp in the dark. HYBRID POWER: Comes with 3 AAA batteries (included) and is also compatible with the Petzl CORE rechargeable battery (sold separately).