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Contact us nowReal Time Pager for Drone
$ 43.31
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High-power speakers, up to 115 decibels, make full use of various scenarios such as event hosting, anti-epidemic publicity, crowd evacuation, danger warning, etc.Built-in 3.7V 600mAh large-capacity lithium battery, lasting battery life, continuous talking for three hours120 meters ultra-long-distance transmission, 400-480MHz wireless frequency
