Remote control for rolling door

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 sensitivity 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)