You can follow the steps in this video to use this product. You need to pull the shaft to the working area before it can work, otherwise it is in the protected state.
Product Description:
【4 Gear Adjustable Speed】The caulking gun has four gears of variable speed, the pushing speed can be adjusted from 0 to 196mm/min. The variable trigger can also control the flow rate, The corresponding flow rate can be selected according to different needs, which can better control the flow of glue.
【Automatic Rebound Design】When you release the trigger, the toggle will automatically rebound to prevent excess glue from dripping out. Anti-rebound technology saves even more time and effort. This caulking gun is suitable for all common 10oz/300ml sealants.
【Widely Use】Suitable for applying glass glue, caulking, sealant etc. This caulking gun is suitable for all common 10oz/300ml sealants. Widely used for filling, sealing and repairing some narrow gaps in walls, windows, balcony doors and windows, shower/wash basin installations etc.
【LED Light Design】 With an 450LM LED light, provide light for use in other dark environments. No need to worry about power outages when using in the dark!
Specifications:
Voltage:18V/20V Max
Working Current: 1A
LED Lumens:450LM
Material: Plastic, Iron
Glass Glue Type: Structural Glue and Filling Glue
Battery Model:Llithium-ion Battery
Suitable For Makita 18V-20V MAX Li-ion BATTERY MODEL:
18V : BL1815 BL1820 BL1830 BL1840 BL1845 BL1850 BL1860 and so on.
NOTE: No Battery
4-SPEED ADJUSTMENT
1-speed 77-86mm/min
2-speed 115-121mm/min
3-speed 152-158mm/min
4-speed 190-196mm/min
Product Packaging:
1 * Caulking Gun(No Battery)
3 * Glue Nozzles
1 * Scraper (with four replacement scraping heads)