433Mhz DC5-30V 1CH Universal Wireless Remote Control Switch Relay Receiver Kit G

+V : DC5 ~ 30V "+" input ;. - V: DC5 ~ 30V "-" input ;. Learning the Code: (Toggle). Receiver size: 35x31.5x17mm. After 3 seconds, the LED indicator will be on again, learning successfully. 1X Receiver.

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