Power Source of Receiver: 12V AC/DC, 24V AC/DC, 36VAC, 48VAC, 110VAC, 120VAC, 220VAC, 240VAC, 380VAC, 415VAC;. Frequency: FM 433-868MHZ Antenna: internal type. 3.Single-raw button transmiter,compact and lighter desing,ensure safe&convenient operation.
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