Feature: 1. FOR INSTALLATION AND MAINTENANCE: Wire tracer is widely used in various cable installation, inspection and maintenance, versatile and practical 2. NOT DESTROY INSULATION: Checks for cable breaks, cable shorts, identifies and traces conductors without destroying cable insulation during operation 3. SUPPORT NOISY ENVIRONMENT DETECTION: Wire tracer tool support simple and convenient operation, adding 3.5mm headphone jack can detect in noisy environment 4. ACCURATE LOCATING: Wire locator help you to quickly and accurately locate cables, so that you can detect broken cables by yourself 5. PORTABLE AND CONVENIENT: Wire locator is light weight and portable, easy and fast to use, greatly improved working efficiency Specification: Item Type: Wire Tracer Model: MY6813 Material: ABS Application: Used for various cable installation, inspection and maintenance Battery: Transmitter: 1 x 9V 6F22(not included) Receiver: 1 x 9V 6F22(not included). Package List: 1 x Transmitter1 x Receiver1 x User Manual1 x Storage Bag