Switch: on the top of the Number of lamp: 3 led lights Material: ABS and metal. Viewing angle: 160 degree is convenient and easy to use. Color Name: Silver Package Content: 4 x Bicycle Headlight (not include 3 AAA batteries) 4 x Bracket Only the above package content, other products are not included. Note: Light reflection and different screens may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.