1、Each clip has an LED light that emits bright light, a fun addition to any space. 2、Super bright and low power consumption. 3、Chip light Semi-conductor, resistant to breakage and vibration. 4、Easy to install on most surfaces: wall, window, door, floor, ceiling, glass, wood, metal, plastic, Christmas trees, etc. 5、Perfect for hanging photos, artwork, notes, postcards, etc. Features: Each clip has an LED light that emits bright light, a fun addition to any space. Super bright and low power consumption. Chip light Semi-conductor, resistant to breakage and vibration. Easy to install on most surfaces: wall, window, door, floor, ceiling, glass, wood, metal, plastic, Christmas trees, etc. Perfect for hanging photos, artwork, notes, postcards, etc. Specification: Material: copper wire, wood, white cardboard Postcard Size: 90 * 112mm / 3.5 * 4.4in Package List: 30 x Postcards 1 x Copper Wire String Light (Battery is included) 5 x Wooden Clip