The Power over Ethernet Clock is designed to be double-sided, easily to be viwed from both sides, which is streamely suitable corridors of schools, hospitals, hotels, offices, government, etc. It shows large 4-inch screen of HH/MM/SS with red and green LED Colors optional. It can guarantee precise time via time synchronization from NTP time server.It supports DST, DHCP or static IP, 12/24 hour mode.