Features: Brand new and high quality The Telephone is a versatile device that combines call display, line checking, and conversation tracing features, providing users with convenient communication and troubleshooting option. Equipped with advanced technology, the Telephone instantly shows incoming caller information, allowing users to identify the caller's identity before answering, ensuring a secure and efficient communication experience. Suitable for communication engineers and technicians, the Telephone's conversation tracing and line checking functions enable quick identification and resolution of line issue, improving work efficiency. Whether in professional settings or at home, the Telephone is perfect for various communication scenarios, including line testing, fault diagnosis, and everyday communication needs. Compact and portable, the Telephone is designed for easy transportation, allowing users to communicate and test lines conveniently. Its reliable communication quality ensures clear sound and smooth conversations. Specifications: Material: Plastic Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring due to manual measurement. Package includes: 1x Line Tester Phone