Features: This solder liquid is a no clean flux that can be used without using other liquid to wash it. It has nice insulation property, and can prevent short circuit and cord breakage due to wiring age. Can protect PCB traces from corrosion and moisture. Expose it under UV light or sun for a few minutes after paste it on circuit board, it would become solid, very easy to use. Comes with needle for easy use. Useful tool for repair your computer or cellphone PCB. Specification: Material: Plastic Color: Green & Black Capacity: 10cc Length: Approx. 9.8cm / 3.86inch Weight: Approx. 54g Package List: 2 x Solder Flux Pastes 2 x Needles Note: This solider flux is sensitive to UV, please keep it in shade. 1、This solder liquid is a no clean flux that can be used without using other liquid to wash it 2、It has nice insulation property, and can prevent short circuit and cord breakage due to wiring age 3、Can protect PCB traces from corrosion and moisture 4、Expose it under UV light or sun for a few minutes after paste it on circuit board, it would become solid, very easy to use 5、Comes with needle for easy use. Useful tool for repair your computer or cellphone PCB