... are super bright Features:1) GL173S/3, Size: D30 x d27.5 x 94mm, 3XAAA, 3XLED 2) GL173S/6, Size: D30 ... x d27.5 x 94mm, 3XAAA, 6XLED 3) GL173S/7, Size: D30 ... x d27.5 x 94mm, 3XAAA, 7XLED 4) GL173S/11, Size: D32 ... x 100mm,3XAAA, 12XLED 6) GL173SA/19, Size: D38 x d27.5 x 100mm, 3XAAA, 19XLED 7) GL162/7, Size: D30 ...