A silent mode with LED flashing is available. WiFi Standard: 802.11b/g/n 2.4GHz (doesn't support 5G). [Wide Application] The life alert button is lightweight and portable, with a lanyard design that can be hung around the neck or put in the pocket and waist; it is Waterproof, can be used in the bathroom (Do not wear it in the shower or soak in the water).
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