The USB male and female head shell and voltage power detection instrument housing is a must-have for anyone involved in electronics testing and maintenance. This robust enclosure protects your USB power testers from damage while allowing you to measure voltage and accurately. To use, insert the USB tester into the housing, connect your device, and observe the power readings to ensure everything is functioning correctly. Features - Color: Transparent -Material:Plastic - Size: 5.30X2.50X1.50cm/2.08X0.98X0.59in -Note:empty case only, without any electric component. -Broad compatibility: suitable for a variety of usb and power supply detection instruments, ensuring it meets diverse testing requirements -Protective design: provides strong protection for usb devices, keeping them safe from physical damage and wear -Ease of use: designed for simple and intuitive operation, making it accessible to users with varying levels of technical expertise -Robust: built with plastic materials, this enclosure ensures durability and long term protection for your devices -Safety assurance: offers reliable safety features to protect your usb and power detection instruments, ensuring secure and stable usage Package list: 1