Power supply: 240VAC, 50Hz |Max. Load: 13A, 3120W.|Radio Frequency: 433.92MHz |Range: Typically about 30m in open area|Battery: 2PCS AAA 1.5V |Transmitter duty cycle<10% |Receiver category: Category 2|The maximum radiated power of transmitter is less than 10mW|Ambient operating temperature: 0 to 35C