LoRa sound and light alarm
Flash as a display terminal, voice alarm as one of the output terminals, usually used in conjunction with other information collection terminals, as a status reminder function. For example, when something abnormal happens in the workshop, the voice alarm lights flash and the high-decibel voice alerts are broadcast. ● LoRa spread spectrum communication technology, strong anti-interference ability. ● Supports LoRaWAN 1.0 standard protocol and LoRa self-defined protocol. ● Industrial class ultra-low power consumption and high performance embedded controller. ● LoRa wireless communication radius of 500-1500 meters, stable