Features: Mini CCFL Tester LCD TV Monitor Laptop Screen Repair Backlight Lamp Test MAX 400mm LM-12301 Really a good tool for test LCD lamps! When we repair LCD screen or notebook and see a little shadow from very dark screen or get inverter protection, it's very difficult to know if problem comes from the CCFL tube or inverter board. If we have this tool, we can easily find out the problem. It also can be used for lighting billboard or advertising signs by CCFL lamp. Directly connect this tool to the monitor 12V power supply, and clip the both end of lamps, you can light the CCFL lamps. Attention: Be careful not to be hit by high voltage! Do not touch the its metal parts when working. Specification: Work condition: 0C - 50C Input Voltage: DC Min 9V, Max 14V, Type 12V 380Ma Jack 5.5mm x 2.1mm Input Current: Max 380Ma, Type 380Ma Input Power: 8.5W Output Voltage: 670V Output Current: Max 6.1Ma, Type 5Ma Voltage: 12V 2 connecting cables Package includes: 1 x 12V LCD CCFL Backlight Tube Tester For Laptop Screen Repairing 1 x big port lamp connecting extention line 1 x small port lamp connecting extention line Shipping 1.You can ask the seller about the shipments to other countries or higher quantity. 2.We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. 3.Usually product Reaches after about 12-45 business days depending on destination.If you have not received your shipment within 45 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Refund or resend product will be offered if item still not received. 4.We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We ask 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!