This wireless frequency tester for car keys and remote controls can quickly diagnose infrared and radio frequency remotes. Suitable for most car models and household appliances. If you're looking for this product, come and give it a try, it won't disappoint! Features: Portable Size: This wireless remote control frequency tester can be held in your hand and you can easily carry it with you. This wireless frequency tester for car keys and remote controls can quickly diagnose infrared and radio frequency remotes. Wide Applications: Suitable for most car models, trucks, remote control models and household appliances. Easy to Use: You just need to place your remote control under the LCD screen and press a button on your remote control keys, the frequency will be displayed on the screen. Suitable for IR and radio frequency remote controls and the test frequency range is 10-1000MHz. Specifications: Material: plastic Power: 1 * 9V battery (NOT INCLUDED) Current consumption: 50mA Test frequency range: 10-1000MHz Package size: 100 * 70 * 25mm / 3.9 * 2.8 * 1.0in Package weight: 110g / 3.9ounce Packing list: 1 * Remote Control Tester