INGCO AKDB0801 8 Pcs HSS twist drill bits set

Viewing area:92?42mm Cartridge size:110?90?9mm Arc sensor:2
Optical class:1/1/1/2 Light state: DIN 4
Dark state: variable shade, 9 ~13 Shade control: external, variable Power ON/OFF: fully automatic Sensitivity control: auto
UV/IR protection: DIN 16
Power supply: solar cells+2*CR2032 lithium batteries
Switching time:1/15000s,from light to dark
Dark to light(Delay): 0.1-1.0 auto
Low amperage TIG:?10amps(DC),
?10amps(AC) Grinding function :yes Low volume alarm:yes
Operating tep:-5?~+55? Storing tep:-20?~+70?

Voltage: 4V
Hex shank: 1/4″
No-load speed: 240rpm Max torque: 4N.m
Two positions adjustable handle Charging via USB type-C cable(cable sold separately)
Integrated work light
Include:
16 Pcs 25mm Cr-V bits+holder 2 Pcs 50mm Cr-V bits+holder 1 Pcs connector

Voltage: 20V
No-load speed: 8000-13000rpm Bottom size: 125mm(5”)
With 5pcs sand paper