1) Be Suitable For Camping, Searching, Home, Engineering Ect. 2) Used 2d Batteries. 3) 4pcs Of Powerful And Long-Life Led. 4) Lasting Lighting And Save More Than Ten Times Of Energy. 5) More Than 120 Hours Of Lighting By Using High Quality Batteries. 6) Material: Plastic. 8) Product Size:17.5x5.0x5.0cm