LED planet electronic clock.1. Clock function 2. Date function.3. Day of the week function 4. Temperature function.5. Time memory function 6. Night brightness halved.7. 12/24 hour system.with bracket, table hanging dual-use, simple and easy to operate.Multiple functions, meet the needs.22:00 to 07:00 into the brightness halved function soft light is not harsh.Contains a 2032 button battery power-off memory function, no need to reset the time after the call again.