Solar powered, require no electricity, just simple sunlight to charging. each light has a built in light sensor so that it automatically turns on in the evenings as the light dims. Simply put the mason lid lights on your own jar, fill in with creative artificial flowers, conch, beads, pebbles, paper star or colored sands, adding a delicate and cozy touch to your place. Delicate appearance and cold white glow make this solar jar lid lights a great decorative accessory to illuminate indoor and outdoor spaces. Also a wonderful gift for your loved ones Waterproof design enables the solar mason jar lights function well indoors or outdoors without any worries of short circuit caused by moisture or weather damage. Perfect for sparking outdoor activities like wedding, birthday party, BBQ, picnic, bridal shower and so on You can place this solar mason jar lights on a sunny windowsill, fence top, outdoor plant shelf, lawn, tabletop, desktop, balcony, backyard, patio, porch etc. Specification: Material: Glass Size: 70x130mm/2.76x5.12inch Solar Panel: 2V, 80mah Rechargeable Battery: AAA, 1.2V, 600mah Color: Cold White Number of Leds: 24 Leds in the Mason Jar Package Includes: 1 Piece Mason Jar Solar Light Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.