I would recommend [this] (https://www.amazon.com/BSeen-Collar-Rechargeable-Glowing-Fashion/dp/B01CCP1UPY/ref=pd_lpo_vtph_469_bs_t_1?_encoding=UTF8&psc=1&refRID=ZBXTZAXNDSZAFQ3B6YBN) light up collar! You can cut it so it fits your dogs size, its rechargeable, and it has three different settings such as flashing or just your standard glow. I have the green one and its really bright to where it illuminates the ground around my dogs head area. The charge lasts quite a long time too.