The mason jar lights are ideal to hang on the patio or balcony: They automatically light up at sunset so that you can fully enjoy the lightning bug effect at night. Each glass jar light has 8 LEDs and are perfect for evening outdoor events in the summer, whether hanging from trees, poles, walls or just placed on the ground or table. the solar panel charges during the day and therefore the lights do not require batteries - a long-lasting source of light, wherever placed. The hanging mason jar lights make great craft projects for children and adults alike as well as give a touch of rustic to celebrations. Solar Glass Jars Set Of 2 Details - Size upright H x W x D: app. 13 x 9 x 8 cm - Jar opening: Ø app. 6 cm - Handle H x W: 12 x 9 cm - Weight: app. 300 g each - Material: Steel, plastic - Colour: Transparent Solar Light Pointers - Unscrew lid and switch it on to start charging - Solar panel requires natural sunlight for charging - The sensor reacts to the surrounding light and activates