Luminous Electronic Clock With Perpetual Calendar

Product information: Material: PC+ABS Style: simple and modern Size: 30*5*3 [cm] Color classification: black shell warm white light WIFI version Voltage: DC 5V Current: less than 500MA Power consumption: less than 2.5W Working temperature: 0-55 degrees Celsius Working humidity: less than 95 (no condensation) Wireless network: 2.4GHz 802.11 b/g/n Backup battery: CR1220 Size: 30*5*3 cm (length, height and thickness) Features: Function: LED display, brightness adjustable;. NTP time synchronization, after ultra-high-precision networking, the error is less than 1 second; High-precision clock module, the annual error is plus or minus 1 minute when there is no network; Built-in CR1220 battery, it can supply power to the time chip when the power is cut, so that the time is right when the power is turned on; Webpage controls the clock, what you see is what you get; The display content has time\date\temperature\week, which can be displayed individually or in combination; Brightness adjustment has fixed\timed brightness\timed switch; Time server time zone setting, which can be used in different countries and regions; System functions are initialized and restored to factory settings. Note: This clock can be used normally without networking. Packing list: Luminous electronic clock with perpetual calendar*1