solar step lights is a good solar stair lights for outside,patio,srair,step,yard You can use the included screws to fix it or directly on the stairs with double-sided tape. It only takes 2 minutes to complete the installation and enjoy the unlimited fun the solar lights bring you. The deck step lights which has a strong light focusing effect and a long illumination range. The light-emitting adopts a textured design to give solar lights for steps a gentle lighting effect, ensuring cant hurt the eyes of your kids and pets. The deck step lights solar powered comply with environmental protection concept and uses solar charging. Just turn on the switch and the solar lights can automatically charge during the day and turn on the lighting at night, providing a very warm atmosphere for your courtyard. Color:As Shown Material:ABS Package Contents: 4 * Solar Step Lights Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.