Detect short circuit issues on motherboards easily with the Portable Rosin Atomizing Pen. This rechargeable pen features a durable construction and a built-in battery for easy maintenance and inspection. Quickly heat the rosin with a 10-second heating time and easily detect short circuits with the original rosin included. Please avoid pressing the button for extended periods to prevent overheating. Package includes 1 Rosin Atomizing Pen and 5 rosin items. Ideal for efficient motherboard repairs.