The product is a set of two Calford NCT-688 3 channel FM wireless intercom systems in white. These audio intercoms have a wireless FM 462 MHz connectivity and can be used as a standalone FRS system. The systems come with AC adapters included and have a 1-year manufacturer warranty. With the feature of "Call All," one station can talk to all stations at the same time, making it ideal for indoor use in homes or buildings. The intercoms are manufactured in China by the brand Ecomtalk and use analog surveillance technology.
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