Rosin Atomizer Pen Short Circuit Detector For Motherboard Repair Sprayer Rosin Adapter Flux Pen Repair Tool Soldering Iron Free Rosin Atomizer Pen Short Circuit Detector For Motherboard Repair Sprayer Rosin Adapter Flux Pen Repair Tool Soldering Iron Free Features: Built in battery, rechargeable, used for maintenance and inspection of the mainboard. The durable rosin can be opened by pressing the button on the handle. The heating time of the rosin pen is 10 seconds each time. Original rosin is used to detect whether the mainboard of the mobile phone is short circuited. The product is a smoke cream, and smoke oil cannot be used. Note: Do not keep pressing the button during use. If you keep pressing for 10 to 15 seconds, the button willflash. This is a built-in protections. It's not broken. If you keep pressing this button and burning it, it will burn andatomize. Specifications: Item: Soldering Iron Free Rosin Atomizing Pen Battery: 900mah Material: Plastic Size: approx 90x11mm/3.54x0.43in Package Includes: 1PCS*Rosin Atomizing Pen 5PCS*Rosin