Kaisi K-S21 Pen Type Rosin Atomization Machine Short Circuit Detector Electronic Component Motherboard Short Circuit Detection Tool Portable Mobilephone Maintenance Rosin Pen No Need Soldering Iron This rosin atomization machine is a very practical tool for detecting circuit board short circuit in your daily and work. You don't need e an electric soldering iron, just with this tool, you can quickly detect the fault point. Come on and try it, it will not let you down. Features: Pen type design, comfortable for you to hold, give you a better using experience. Easy to operate: Put the small rosin (NOT included) into the machine and after pressing the button for 5 times, long press the button to starting the machineto e, no need the soldering iron. Bulit-in lithium battery, you can recharge it in time for a long period of using time. Small in size and easy to carry, you can put it into your tool box to storage and carry, you can share it with your families and friends. You need to buy rosin separately by yourself e together, this product NOT include rosin, please check before order. It is easy for you to operate and will not damage to the motherboard, and the operations is simple, no need too much professional skills. Specifications: Material: metal+ Color: black, silver (optional) Battery: 1 * lithium battery, 680mAh (included) Package size: 235 * 48 * 25mm / 9.3 * 1.9 * 1.0in Package weight: 50g / 1.8ounce Packing list: 1 * Rosin Atomization Tool (Optional)