[Comprehensive Frequency Detection] - Capable of detecting frequencies across multiple bands, including 315MHz, 433MHz, 868MHz, 902MHz, etc. [Versatile Signal Detection] - Identify and test IMMO signals, door handle signals, and infrared signals, providing a complete testing solution. [Increased Battery Life] - Intelligently designed power-saving features allow for longer battery life, reducing the need for constant recharging. [Convenient Portability] - The compact and sleek design makes it easy to carry and transport, facilitating testing on-the-go. Flexible and easy to use. Perfect match with the car. Made of high-quality materials. Built to strict quality control standards. Durable and long lasting. Stable performance, high reliability. A perfect replacement for your old one. Correct connector no cutting or splicing required. Item Type: Car Remote Key Frequency Tester (requires 2 x AAA batteries, not included) Condition: Fitment: Direct replacement for car remote key Color: As shown Material: ABS Package Contents: 1 x XDRT20 V2 Car Remote Tester Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.