Professional craft Accessory: Designed for electronics enthusiasts, this phone card detector is a must have for craft phone repairs, featuring accurate auto circuit checking capabilities for efficient troubleshooting Wide Compatibility: The double phone slot tester works with various devices, making it an essential tool for any repair toolkit to quickly diagnose circuit issues and signals problems Fast signals Detection: Quickly diagnose module faults using the 2UUL phone detector technology for signals verification, enabling efficient maintenance and accurate circuit testing Compact & Portable: With dimensions of 49.6×16×4.3Mm and lightweight design (90×50×20mm packaging), this tester is ideal for on the go repairs and fits easily into any tool set Sturdy Construction: Built with sturdy plastics that withstands temperatures up to 105°C without releasing harmful substances, ensuring long lasting comportment during intensive use, Manufacturer: Kaeltsyn