- ACCURATE AND RELIABLE: This key fob frequency scanner is designed for precise frequency testing and infrared signal detection. With a testing range of 100M-1GHZ, it helps users diagnose issues with remote controls effectively. The built-in LED lights enhance visibility in low-light conditions, ensuring accurate readings during testing. - WIDE RANGE OF APPLICATION: The compact design of this auto key frequency tester makes it portable and ideal for on-the-go testing. It is compatible with most key models, electric door controllers, car door anti-theft alarms, electric locks, garage doors, remote controls, access control systems, and various domestic appliances. - INFRARED FREQUENCY: This tester is an essential tool for configuring remote controls. It allows users to identify and resolve remote control issues quickly, ensuring the frequency is perfectly adjusted for optimal performance. - PREMIUM MATERIAL: Constructed from durable plastic, this device is fall-proof and wear-resistant, providing longevity and reliable performance. Use Scenarios: 1. Test the frequency of your car remote before heading out to ensure it functions properly, preventing lockout situations. 2. Diagnose issues with your electric door controller or garage door remote, allowing for quick adjustments and repairs. 3. Ensure compatibility and optimal performance of remote controls for various domestic appliances, streamlining your home automation. This key fob frequency scanner meets the demands of both professional and personal use, making it an indispensable tool for anyone working with remote control devices.