• Xhorse Remote Tester Radio Frequency Infrared Reader can help you read out your key frequency fast and accurately
• Support two range frequency: 300Mhz-320hz and 434Mhz
• Easy operation. Press the key, the infrared indicator turns on - good, off - bad
• Due to shipping reason, package do not including battery, customer need put battery by yourself
• One year warranty, 30 days money back guarrante, make your purchase no worry