Polysilicon Solar Panels: Efficient solar panels which have a high conversion rate of light and electricity storage speed. Optical Lens: Effectively improve the refractive index of light fully release the light it is bright and energy saving. Premium Material: Made of premium sturdy ABS and PS materials it has an integrated design that is waterproof dust-proof and durable. Intelligent Light Control: It can automatically sense the degree of lights charge itself during the day and turn on the light when it gets dark. Easy to Install: Just use the positioning plate to secure the position on the steps drive in the screws and connect the tools. Specification: Material: Plastic Size: 90*118*25mm Color: Black Light Color: Warm White/White Waterproof Rating: IP65 Notes: Due to manual measurement please allow a slight error in size. Due to the difference between different monitors the picture may not reflect the current color of the item. includes: 1 * Solar Step Light