... led battery tag Size:7.7* 3.5*1.1 cm Color: red, white, green, pink, etc. Wear: chain or ring, Key: led ... name tag, pet tag. Product:Battery:Key Specifications/Special Features:Features: Dot-matrix: ... its surface damage, keep it from fallingReset a battery while the light isn't enough for the brightness ... plate of the electronic component while working led tag battery