Its dependable, ultrabright LED automatically turns on a highly visible flash mode upon release, lighting every shot for easy tracking to the target and arrow recovery. It boasts a nonturning nock position for consistency, adhesive-free installation and permanent on/off capability. Replaceable, longer-lasting lithium-ion battery lasts up to 90 hours, allowing you to find arrows up to days after they’ve been shot. Per 2. Color: Red.