1.2 Inch Digital Tube with Temperature and Time Display Alarm Clocks Module Supports WIFI Network Automatic Time Synchro

Overview Use 1 2 inch digital tube with room temperature display and second display Translucent crystal case Support 5V Android mobile phone charger for direct power supply With buzzer there are 3 practical alarm clocks At the same time it supports wifi network automatic time synchronization to ensure the accuracy of time The electronic clock can only be connected to the 2 4G WIFI network Specifications Supply voltage Micro USB 5VPower supply current 200mA DC currentSize 160 52 21mmAutomatic photosensitive control In dark conditions the digital tube will automatically dim and the brightness of the digital tube will be automatically increased during the day Comes with a back battery with time memory function external power failure does not affect the travel timeTemperature measurement on the right side of the 2 digit digital tube display range 9 ℃ to 99 ℃ Instructions for use 1 Indicator light Blue WIFI indicator is always on successfully connected to WIFI Blue WIFI indicator flashes WIFI connection failed Green Time synchronization indicator light is always on time synchronization is successful Green Time synchronization indicator light is off time synchronization failed2 The buttons on the left from top to bottom are set increase decrease alarm Setting key press this key to enter the time date year setting Press the plus and minus keys to adjust the value and press the set key to save after adjustment Add key Press this key to switch betwee