... ItemRF transmitter with four keys (remote controller)Coding ModeFixed code FrequencyFixed (customized 315MHz,330MHz,443.92MHz etc .Battery Model ... Rubber Remarkwe will produce PCB according to your requirementSize 61.67mm*31.41mm*12.61mmCountry of OriginChina (mainland)LED ... ,gate opener,car cental system and so on .Available fixed code chip models : PT2240, PT2260,PT2262 ,EV1527,FP527, AX5326PT2242 ...