Features: The test platform is a versatile tool for testing and programming keys for your vehicle. With its rechargeable feature, this test platform stands out by offering compatibility with all rechargeable keys. Designed for automotive technicians and repair shops, this test platform is an essential tool for diagnosing and repairing EWS3 and EWS4 system in various vehicles. Whether you're at a repair shop or working on your own vehicle, this test platform provides a convenient and user friendly solution for testing and fixing EWS3 and EWS4 system. Made from high quality materials, this test platform ensures durability and reliability for long term use, making it a valuable addition to any automotive workshop. Specifications: Material:Metal+Plastic Size:As Picture Shown For E65 E66 EWS3 EWS4 Test tool: EWS3 EWS4 Chip: PCF7935 chip or EMLelectronic chip Voltage: 12V Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1 Set Test Platform