This USB power detection instrument housing is for technicians and hobbyists It provides a secure enclosure for your USB power testers, allowing you to measure and monitor the power supply to your devices accurately. To use, insert your USB tester into the housing, connect your device, and read the voltage and levels displayed. Features - Color: Transparent -Material:Plastic - Size: 5.30X2.50X1.50cm/2.08X0.98X0.59in -Note:empty case only, without any electric component. -Universal application: compatible with a wide range of usb and power supply detection devices, making it a versatile choice for various applications -Protective functionality: offers robust protection for usb devices, ensuring they remain safe and functional during use and transport -User friendly design: features an easy to use design that simplifies operation, making it ideal for users of all experience levels -High durability: constructed from plastic materials, this enclosure provides protection and reliability for your devices -Enhanced safety: designed to ensure the safety of your usb and power detection instruments, providing peace of mind during use Package list: 1