Function introduction: dual alarm AL1 and AL2 settings. You can view the current temperature. 12/24 hours can be set at any time.1.2 inch LED digital display (it is more convenient and clear to see the time at night).
Dual power supply working mode: 4XAAA battery or external 5V power supply (not equipped with power supply, only wiring) (batteries can be used for business trips, and electricity can be plugged in at home). Built-in buzzer.