2pcs 50 ohm BNC Male Plug To UHF PL-259 SO239 Female RF Coaxial Adapter Cable. 1x DC3.7-12V Wireless Receiver. The receiver itself with overcurrent protection,when the current exceeds the rated current,will be entered into turn off power protection,such as the motor to start or block the current is doubled,beyond the rated current will be flash.
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