This Screwdriver is Semi-Auto Shut off Electirc Brushless Screwdriver with High power frequency converter power source and overload protection.
 
Features:
Semi-Auto Shut off.
Brushless Screwdriver.
Available for forward-counter rotating setting.
High power frequency converter power source and overload protection .
Using Non-contact contactless hall sensor.
 
Specification:
Bits Diameter mm:  φ4
Torque Range (kgf-cm): 0.5-8
Screw Size mm:  M1.2-2.5
No-load Speed( rpm): 300-1300
Self tapping thread diameter: M2-3
Weight: Approx484g (17 oz)
Dimension: 250 * 48 * 37mm/ 9.84 * 1.9 * 1.45in

Package information:
Package size: 30.2 * 14.8 * 11.5cm / 12 * 5.82 * 4.5in
Package weight: 1415g / 3.1 Lb
 
Package list:
1 * TGK-EL808 Semi-Auto Shut off Electirc Brushless Screwdriver
1 * Connecting line
1 * Power adapter