Solar powered Light-up address numbers Each unit comes with a set of 10 numbers (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) Each unit is approximately 6.5" H x 2.5" W Charges all day Glows all night No bulbs to replace Turns on and off automatically Visible up to 100 feet away Can be placed on house, mailbox, fence, business and just about anywhere that has good sunlight exposure Included rechargeable batteries that hold 1,000 hours of energy and recharges 3,000 times Installs easily with 2 screws (included) Units snap together with each other on a peg and groove basis to form your address Requires no electricity Weatherproof Uses LED lighting system so there is no bulbs to change