Jar Lid Lights Set - 8-Pack Solar Lid 30 LED Lights and 8 Hooks (jar not included), Lid Diameter Size: 70mm / Insert 2.17" (55mm), Fits Most Regular Mouth Jars. EASY TO USE - Take the film off the solar panel, pull out the plastic, switch to "ON", screw the lid on, and place it in direct sunlight to charge. A built-in light sensor ensures it turns on at dusk and turns off automatically at dawn. Note: Ships only at dusk. If you think it's useless, you can put your gloves on it and you're done. It takes 6 - 8 hours to charge during the day, and about 8 - 12 hours or more to light up. Environmentally friendly and energy saving - 2V 70mA high efficiency solar panel, no external wiring required. A 1.2 V 600mA rechargeable AAA battery is included (each jar has a AAA rechargeable battery in the lid.) Ordinary AAA batteries can be used as backup power if it's not a bright day. WATERPROOF AND - The integrated design 't let moisture penetrate the solar panel, and the O-ring seal 't let moisture into the tank. The edge of the lid uses a rust- material instead of a cheap alloy, and you'll more in wet weather. Versatile - Personalize your jar light however you want. Fill jars with sand, dried flowers, shells, , seasonal items, and more. Hang it anywhere, such as patio, garden, party, wedding, Christmas backyard outdoor decoration... Colour:As shown Material:Plastic+Stainless Steel Size:70mm x 15mm Package Contents: 8 x Solar jar lid with led string lights 8 x AAA Rechargeable Battery (Jars Not Included) 8 x Stainless Steel Wire Hangers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.