Expandable telescopic flashlight made of ABS Plastic with Aluminum end panels and carabiner (carabiner measures approx. 1.65"l). Press button at base to turn LED light on/off button. Uses 4 button cell batteries (type LR44), included and replaceable. Note: Item ships with battery blocker; must be removed prior to use. Instructions included. United States Design Patent: US D893,784 S.