Foggy pen short circuit detection is used for mainboard mainten anceinspection

features: Used for mainboard maintenance and inspection. Small size easy to operate No soldering iron required Built-in battery rechargeable. Applicable scene circuit maintenance Size: 90 * 11mm Material: metal+glass+ceramic Applicable method: Press the round key of the handle five times to turn on the machine put in an appropriate amount of cover the glass cover press and hold the round key for heating aim at the main board to smoke after smoke and press and hold the round key of the handle five times to turn off the machine Package includes: A: 1 pc * tin pen 1 * wax tool 1 * usb charger B: 1 soldering pen 1 USB cable 1 paste spoon 1 cleaning brush 4 truffle blocks