Led display, Led sign, Led screen, Led billboard, Led digital sign, Advertising display, electronic signs, Led scrolling sign, Led video display, Led electronic display, Optoelectronic display, Led message screen, Led advertising boards, Led display board, Led moving screen, Led moving sign, Led message board, Led panel are our leading products. We are Hangzhou Honghao Electron Co., Ltd., a professional manufacturer of LED display, is located in Hangzhou City, near Shanghai, China. Display function: 1) Can display time, date, temperature, humidity, numeral. 2) Brightness up to 5 levels, be adjustable (automatic control, time control) 3) Be controlled by remote control and PC, remote control up to 50 meters. 4) Spreading hot through fan Automatically. 5) Function of GPS time adjusting is optional. 6) Power source: 100V-240V AC, 12V or 24V are all available