★Newed Upgraded Model Intelligent Electric Screwdriver!★
 Designed by the same supplier of TS100!
 Built-in STM32 Chip!
 User can customized configuration parameters!
 Such a magical tool, not to be missed! 
 Updates:
 Gearbox: 1:64 Integrated planetary gearbox
 No-load Speed: About 380rpm 
 Maximum Electronic Torque: 1.5kgf.cm 
 Features: 
 ES121 upgraded version is
 coming. It is equipped with 1:64 reduction gear motor(ES120 is 1:144) 
ensure larger rotation speed up to 380 RPM load-free(ES120 is 170RPM) 
.Slim 304 stainless steel housing with pen shape design,powered by 
300mAh lipo battery with 30 minutes working time continuously at full 
load. It is equipped with SMT32 MCU and 3-axis gyro supporting motion 
control enable the user to screw or unscrew just by a thumb slight 
moment, so intelligent and convenient. 16X96mm OLED display the working 
status and standard 4mm diameter socket compatible most most precision 
screwdriver bits.Come alone with 14pcs orgingal screwdriver bits 
includes PH0,PH2,SL1.5,SL3.0,SL4.0,H1.5,H.0(ES-B7 common 
type),PH000,T4,T6,T8,T10,P2,P5(ES-A7 type)and portable pouch easy to 
store and carry, a great helper for electronic reparing projects.
 Smart Functions:
 -Battery low voltage reminder, low voltage protection mode;
 -User ustomized configuration parameters (such as torsion, torque, etc);
 -Open source application layer.
 -Parameter Setting:
 1/ Press the button 3 times to enter the "setting", Wait without any action or long press to ture off "setting".
 2/ A model is automatic 
 3/ 1-4 model corresponds to 4 kinds of torque, and torque decreases progressively.
 Configuration file settings:
 When the screwdriver is turned off, 
connect it with USB data cable to your PC ro laptop, then press the 
button, then the computer will recognize it. Open the config.txt file in
 the U disk,
 the content is:
 StartAngle=2 #(2~10)
 Gear=4 #(0~4)
 MotoTimeCont=0 #ReadOnly
 Ver=1.1 #ReadOnly
 Then you can change your setting.
 Specifications:
| Performance Parameters | Hardware Parameters | ||
| Operation Voltage | 3-5V | Body Material | 304 Stainless steel(Silver)/Copper alloy(Grey) | 
| No-load Speed | About 380rpm | Screen | 16*96 OLED | 
| Electronic Torque | 1.5kgf.cm | Battery | 300mAh 10440 Lithium-ion battery | 
| Maximum Torque | 30kgf.cm (manual mode) | Rotor | Bidirectional overrunning clutch | 
| Screwdriver Bit | 4MM hexagon | Gearbox | 1:64 Integrated planetary gearbox | 
| Charging Time | 45min | Motor | 25,000 rpm brush motor | 
| Running Time | 30min (full power) | Main Chip | STM32 | 
| Charging Mode | Micro USB 5V Input | Sensor | Angular velocity sensor | 
| Stainless steel color material | 304 stainless steel shell | ||
 Package Included:
 1 x  MINI ES121 Electric Screwdriver Set

