It may be small and cute, but don't underestimate the power of Sun Company's Superbright Dog WildLight it's the light with the bite!. . White LED light with split ring and 2 aluminum carabiner so you can clip it anywhere. Squeeze the back and the mouth opens for a burst of bright light. Appealing rubberized, airbrushed finish. Long life Ultrabright LED bulb lasts up to 15 years. Included batteries are user replaceable 3 LR1120. Height: 1.7 in. 4.3 cm. Weight: 0.8 oz. 22 g. Choking hazard small parts not for children under 6 years of age. Due to federal shipping restrictions regarding products containing lithium batteries, this product can only be shipped to the 48 contiguous states. It cannot be shipped to Canada, Hawaii, Alaska, Catalina Island, Puerto Rico, APO, FPO, or international addresses. Thanks for your understanding..