Battery 315mhz 433.92mhz universal rf wireless remote control for automatic door and window switch Technology parameter Operating voltage:6v Operating current:=10mw Transmission distance:50-100meters Oscillation resistance:under your request Chip:learning code(1527, 2240, ht6p20b , ht6p20d ) Fixed code(2262, 2260) Rolling code (hcs301, 300, 200) Copy code