IP67 waterproof and auto-function Passed IP67 waterproof rustproof test, get them in your yard and no need to take inside when rainy days come(Using aluminum layer, not easy to rust). Mason jar lantern charges during daytime and automatically enters motion detection mode, turns on at night. No complicated work, just slide the switch to "on" and set them under sunlight. Add more color to your life These 30 LED solar mason jar lights are brighter. They can be matched with mason jars of different shapes, and various beautiful elements can be added to the bottle: such as fairy-shaped paper-cuts, soft feathers and so on. You can use these to make all kinds of wonderful mason jar lights. Specification Brand:SunKite Material: Plastic + copper wire Color: Warm White / Cool White LED Beads Number: 30 LEDs String Length: 1m/ 3.3ft Lid Diameter Size: 2.76 inch(70mm)/Insert 2.17 inch(55mm) Power Source: Battery Powered(2*CR2032 batteries) Packing: 12 hangers and 12 lids 12 Packs 30 LED Starry String Lights This Fairy String lights are Low energy consumption, good heat dissipation, cool and safe to touch without risk of burns. They are easily adjustable and fit Party, Wedding, Barbecue, Halloween, Christmas Indoor and Outdoor lighting decoration. Warm Notice Please keep the battery box away from water even the copper wire led is waterproof. Water can get inside the bottle. Remember to take away the plastic tab under the switch, it is a insulation tab. Take it out so the batteries can work. It is advisable to be kept away from naked flames.