Nite Ize SpotLit L.E.D. Carabiner Light Red SLG-03-10 Glow mode for bright LED area light (press once) Flash mode for safety & signaling (press twice) Secure stainless steel carabiner Long-life, replaceable batteries (included) Water resistant. Weight 0.6oz. Dimensions 1.25"W x 2"H x .75" D