1, anti-rain 2, 1LED multi-function mini headlights 3, the plastic ABS material 4, innovative, convenient and desir 5,Small Product 2CR2016 battery;1LED mini headlights;Versatile: light, flash, off;Product Dimensions:3.5cmX3.2cmX2.5cm;Product weight: 29g; 1 LED plastic mini LED headlamp multi-function