Automatic water level alarm

An automatic water level alarm comprises a pool portion and a control chamber portion, wherein the pool portion comprises a flood discharge tube, two water level sensors, a signal processing module and a wireless output module; the heights of the two water level sensors are different; the two water level sensors are connected with the signal processing module; the signal processing module is also connected with an electromagnetic induction valve; the control chamber portion comprises a wireless receiving module, a central controller, a red indicator lamp, a buzzer and a green indicator lamp; the red indicator lamp is connected with the buzzer and then is connected with the central controller; and the central controller is also connected with the wireless receiving module and the green indicator lamp. The automatic water level alarm is provided with the pool portion and the control chamber portion, a monitor does not need to arrive at a pool, but can detect water level and control the water level, by the two water level sensors on the inner wall of the pool, the water level in the pool can be sensed effectively, and waste caused by overflow of water or inconvenience caused by water shortage is prevented.