HIOTECH LED Solar Brick Light 6 Pack Waterproof Glass Brick Lights for Outdoor Decoration (Gradient Ramp) NO OPERATING COSTS: Each brick contains a bright LED powered by an integrated solar panel. There are no wires, no running costs and no legitimate reason not to love these lights. The LED Brick Light are made with industrial grade glass that can withstand most vehicle traffic. IP65 WATERPROOFING: IP65 Waterproofing means the product can cope with the worst that winter can throw without being affected. UP TO 8 HOURS RUN TIME: Each Solar LED Paver has its own solar cells that charge the AA internal battery. The LED's have a light sensor so they only come on after dusk. Very cool. Will light for up to 8 hrs from a full charge(6 hours charge in the daytime). CE APPROVED: Strictly in accordance with the EU EMC directive production. FULL HIOTECH WARRANTY: If You're Not Completely Satisfied with Your Purchase Simply Let us Know and You'll be Offered 180-Day FULL Refund or Replacement, No Questions Asked. Enjoy this Absolutely RISK FREE and Lifetime Limited Product Warranty. Purchase Today by Clicking the Yellow "ADD TO CART BUTTON" Above.