LED key ring, key chain light: 1.White LED key chain light; 2.LED color in white, red, blue, green, purple, etc; 3.Plastic shell in blue, green, transparent, black, etc; 4.Large area to imprinting logo; 5.Powered by 2XCR2016, included; 6.Unit size: 4.2X2.3X0.8cm (length 6.8cm with chain).