This MAYILON telephone wire tracer can be use for variety of cable line installation, inspection and maintenance, and can judge the work of the telephone line in various states, also can be sued for telephone line installation, debugging and maintenance work. Come on and try it, it will not let you down. Features: It can be used for judge the continuty of cable or wires, also can checks diagnose the break point. It can receive the tone signal on the cables or telephone lines, and indentify the state in the working telephone line (clear, ring, busy). Send a sin-gle slid tone solid tone or a dual alternating tone to the object cables or wires. Tail large speakers, sound loud, in a noisy environment can also be heard, give you a better using experience. With the inteligence button and indicator light, easy and convenient for you to use. Specifications: Material: plastics Send tone frequency: 1.5kHz Receive frequency range: 100Hz~300kHz Power supplys: 6F22, 9V (not included) Receiver size: 238 * 43 * 26mm / 9.4 * 1.7 * 1.0in Emitter size: 145 * 35 * 25mm / 5.7 * 1.4 * 1.0in Receiver weight: 56g / 2.0ounce Emitter weight: 64g / 2.3ounce Package size: 300 * 130 * 60mm / 11.8 * 5.1 * 2.4in Package weight: 261g / 9.2ounce Package list: 1 * Emitter 1 * Receiver 1 * Users Manual 1) We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW. 2) Payment must be made within 3 days of order. 3) If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days. 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. Orders processedtimely after thepayment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 6. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! 7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery. 1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half. 2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#. 3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement. 4.We will bear all the shipping cost if the product(s) is (are) not as advertised. 1. 12 months Manufacturer`s limitedWarranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty. 2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on aliexpress! We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them!