Red Dingo Australian brand, lumitube night time collar.  May need new battery.  Clearanced.  Awesome light Dede uses for her pets.  Cut little by little off until you get the right fit.  Adjusts for sizes up to 32" around the neck of the dog.  Measure to be sure for larger pets.  

Purple Illuminated Safety Collar 0-32" around

$23.99 Regular Price
$9.60Sale Price