Remote control for rolling door

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Working voltage: DC12V (built-in 27A12V battery) Working current: 10mA@12V Radiation power: 10mw@12V Transmission frequency: 433MHZ Transmission distance: 50-100M (open area, the s ensitivity of the receiving device is minus 100dbm) Function: copy remote control/test remote control/copy remote control Size: 6.7*1.7*1.7 (cm) Show more