Feature: Energy-Saving: This lamp is charged by solar energy so it is energy-saving and environmentally friendly. Font Design:The appearance of this lamp is simple and the large font design ensures that others can see it from a distance. Widely Use: Waterproof system and durable frame can withstand rain snow and hot weather. Great for businesses address signs for houses or mailbox numbers. Easy to install: Quick & easy to install with no wiring needed. Wall fixtures included. no maintenance cost long term usage. A great outdoor solar address sign for your house. before using need to open the cover and turn on the swift. Customer Service: With customer satisfaction as our first priority we offer a satisfaction service for all of our merchandise. Specification: Color: Black Size: Approx. 18x10x4cm/7.1x3.9x1.6inch Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. includes: 1*Number Sign Light