AUTOOL RE110 Auto Remote Key Frequency Tester/Infrared Test/Button Battery Test This is an instrument for testing the frequency of wireless remote controls. It can measure the frequency of the remote control and display the value. Additionally, it can test the functionality of infrared sensors and supports testing of button batteries. Basic Operation Procedure Place the car remote key that needs to be tested near the key testing area, and press the button on the remote key. This will allow you to test the frequency of the key, and clearly display the frequency value. The frequency bands of car remote keys that can be tested are mainly: 315MHz, 433MHz, 868MHz, and 902MHz. Warm Tips It is recommended to test closer to the testing area to ensure more accurate measurement values! If the test value cannot be displayed normally, the frequency of the remote key may not be suitable for this device! AUTOOL RE110 User Manual Download>> AUTOOL  Auto Remote Key Frequency Tester Functions Frequency Detection: Quickly identify the frequency of the car remote key, supporting major frequencies such as 315/433/868/902mhz. Infrared Test: You can quickly test the infrared remote control to see if it is working properly. Button Battery test: Can quickly test the condition of car key batteries, suitable for cr2o25/cr2032button batteries. AUTOOL  Auto Remote Key Frequency Tester Features Widely Used: Door handle signals, IMMO anti-theft signals, garage keys, and electronic doors in the frequency range can be detected. HD Display Screen: High-definition display for clear and intuitive viewing of data. Two Types of Power Supply: Efficient and convenient with long-lasting battery life,supporting both type-c interface and dry cell battery power options. Back Bracket: No need to hold the device when using, it can be placed directly on the worktable, which is convenient and labor-saving and the bracket can be folded to save space. 3-Year Warranty: For damage caused by non-human factors, we promise to reissue parts free of charge within 3 years.