1, anti-rain; 2,3 LED mini multi-function Keychain Light 3, the plastic ABS material 4, innovative, convenient, compact Product 1220 battery;3LED mini Keychain Light;Versatile: 100%light;off;50%light;off; flash; offProduct Dimensions:3.5cmX3.5cmX1.5cm;Product weight: 15g;Patent: the appearance 3 LED function plastic mini multi-function warning key chains