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: BlackSize: 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.