1. Supports infrared or radio frequency (RF) detection, compatible with various remote control types. 2. Type-C interface power supply, compatible with mobile phone power banks, convenient to use. 3. Synchronized audio and visual prompts, providing intuitive feedback on remote control functionality. 4. Compact and lightweight, easy to carry, suitable for on-site testing. 5. Widely applicable to common remote controls for home appliances, electric vehicles, roller shutters, etc. Interface: Type-C Power Supply Voltage: DC 5V, can be directly powered by a mobile phone power bank Dimensions: 9cm x 5cm Display: Audio and light display Product Introduction: Select infrared or RF remote control testing via the switch; When testing an infrared remote control, switch to "Infrared". Point the remote control's infrared transmitter at the tester's infrared receiver and press any button on the remote control. The tester will emit an audio sound and flash a red light. Infrared remote controls include: air conditioner remotes, TV remotes, set-top box remotes, fan remotes, light remotes, and various other remote controls with infrared transmitters. When testing a wireless remote control, switch to "RF". Place the remote control on the radio frequency remote control sensing area of the detector and press any button on the remote control. The detector will emit an sound and flash a red light. X-ray remote controls include: electric vehicle remote controls, warehouse roller shutter door remote controls, factory gate remote controls, switch remote controls, and various other wireless radio frequency remote controls. Note: This remote control detector does not support most car remote controls; it only supports a small number of car remote controls. Color: As Shown Material: PCB Package Content