Intercom function. Wi-Fi, 4'' Touch Screen display, 480x480 resolution, 1G+8G memory, Android 8.1 system, 2*15W@8ohm, Surpport DLNA intercom, Bluetooth to connect to Speakers for audio out, online FM radio, RJ45, USB/TF, Support Timed playback, timed on/off, timed alarm, Smart home control with RS485 port. AC90-250V, with standard cover
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