Audible and visual alarm is also called sound-light alarm, a kind of alarm device giving warning signals through sound and light. It is developed to satisfy customer’s special requirements to alarm loudness and installation position, widely used in some dangerous operation area or the area where need high-power sound playing to give hazard warning signal.

At present, there are four types with different functions: wireless remote control type, power-on play type, microwave induction type, portable type.

Wireless remote control sound-light alarm adopts the acousto-optic control technology, wireless remote controller can remotely control the device power on or off, remote wireless control. Power-on play, that is, once power on, the device will sound. User canuse the infrared remote controller to adjust volume up and down,replace voice remotely. Microwave induction type adopts radar wave induction technology. When detecting something passing by, alarm light will flash and the device will have voice prompt. Portable type is built in rechargeable battery, can be used alone withoutpower source, microwave induction, flexible market environment, not restricted by power supply.