Wireless sound and light alarm device with ultrasonic ranging function

The invention discloses a wireless sound and light alarm device with an ultrasonic ranging function. The device comprises a sound and light alarm control CPU (central processing unit), a sound alarm unit, a light alarm unit, a display unit, a wireless module, a power supply unit, a pulse sensing module and an ultrasonic generation module. The device is characterized in that the sound and light alarm control CPU is connected with the sound alarm unit, the light alarm unit, the display unit, the wireless module, the power supply unit, the pulse sensing module and the ultrasonic generation module respectively. The device has the benefits as follows: the device can measure data by using ultrasonic waves, collect heartbeat data of workers through the pulse sensing module, monitor health conditions and the like.