They not only will light your path outside you can use them inside for parties, work or other fun things. You can use them with the spikes outdoors or without the spikes indoors Easy to use and install. Just push the on button ON the bottom of the lights, connect the spikes by pushing them in the bottom of the lights and stick them in the ground out in the sun They are first of all well made. The stainless is none magnetic which means the are high quality and will not rust. There is a difference in stainless steel. Next they are water proof. The on off button on the back side is covered by a sealed rubber which will not allow water to get in. There are plastic spikes that are used for allowing the lights height to be adjusted. These lights can be used anywhere. Feature: Upgraded Led Buried lamps for Garden Lawn Yard Durable and stylish stainless steel finish Solar powered ground light Comes with auto-on dusk to dawn sensor No wiring required and safe to use around children and pets A 600ma Ni-MH rechargeable battery included Ideal for areas where conventional electrical supply is not available Specification : Material: Stainless steel and ABS Solar panel power: 2V/100mA Lamp type: LED Light colour: as the picture shows Charging time: ≥ 8 hours Working time: full charged can be lighting about 8 hours Waterproof rating: IP65 Battery required: 1 x 1.2V600mAh Ni-MH AAA rechargeable battery (included) Size:Length 15.5cm Included: 1 X 8 LED Solar Powered Ground Light