Flashing Panda Red LED Dog Bone Pet Safety Light Pendant Available in 3 LED colors: Red lights, White lights or Blue lights. (Random selection) Six (6) very bright LED lights. Flashes for maximum warning. Push On/Off button on back. Uses three (3) AG-3 batteries, included. Snap Hook with Swivel, attaches to collar. Dimensions: 1.13" x 1.88".