the longest battery life is about 90 minutes
Signal cable is made of polymer material with smooth surface
Over-range prompt: beeps twice in single mode and continuously beeps in continuous mode
state of the art design
Industrial heaters
Woodworking Polishing Metal Rust Removal Wet And Dry Sponge Sandpaper, 60#, 80#, 100#, 180#, 240#, 320# microscope camera with display the longest battery life is1. Aluminum oxide abrasive, good durability and high grinding power 2. High density sponge, not easy to bend and deform 3. Uniform distribution of grit, strong rubbing without sanding 4. 3D anti clogging technology, dust can be removed along the gaps between the grits 5. Wet and dry use, can be dry grinding or water grinding 6. Washable design, easy to reuse 7. Applicable scenes: suitable for household cleaning, industrial sanding, rust removal, wood,