1. Introduction
This manual provides detailed instructions for the safe and effective operation, setup, and maintenance of your Fanttik NEX S1 Pro Cordless Power Screwdriver Kit and Fanttik D2 APEX Laser Level. Please read this manual thoroughly before initial use and retain it for future reference.

Image 1.1: The Fanttik NEX S1 Pro Cordless Power Screwdriver and D2 APEX Laser Level.
2. Fanttik NEX S1 Pro Cordless Power Screwdriver Kit
2.1 Product Overview
The Fanttik NEX S1 Pro is a 3.7V cordless power screwdriver designed for precision tasks. It features adjustable torque settings and comes with a variety of metal bits stored in a magnetic aluminum alloy case.

Image 2.1: Internal components of the NEX S1 Pro screwdriver, showing the motor and battery.
2.2 Setup and Charging
- Charging: Connect the screwdriver to a USB power source using the provided charging cable. The LED indicator will show charging status.
- Bit Installation: Select the appropriate bit from the magnetic case. Insert the bit firmly into the magnetic chuck of the screwdriver.
2.3 Operating Instructions
The screwdriver offers three torque levels and a manual torque option.

Image 2.2: The three-staged torque knob on the NEX S1 Pro screwdriver, indicating maximum hard torque of 6 N.m and maximum manual torque of 8 N.m.
- Power On/Off: Press and hold the power button to turn the screwdriver on or off.
- Torque Adjustment: Rotate the torque knob to select one of the three torque levels (1.5 N.m, 3 N.m, 4.2 N.m). The screwdriver also supports a manual torque of up to 8 N.m.
- Forward/Reverse: Use the directional buttons to select forward (tightening) or reverse (loosening) rotation.
- Automatic Stop: The screwdriver is designed to stop automatically once the set torque is reached, preventing overtightening.

Image 2.3: Demonstrates the application of different torque levels for various tasks, such as assembling a computer, working on an air conditioner, and furniture assembly.
2.4 Maintenance
- Cleaning: Wipe the screwdriver and bits with a dry, soft cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the screwdriver and bits in the magnetic aluminum alloy case in a dry place, away from direct sunlight and extreme temperatures.

Image 2.4: The magnetic aluminum alloy case for organized storage of the NEX S1 Pro screwdriver and its 16 metal bits.
3. Fanttik D2 APEX Laser Level
3.1 Product Overview
The Fanttik D2 APEX Laser Level features high-precision green laser heads, an LED smart display, and multiple line modes for various leveling applications. It is a Class II laser product.

Image 3.1: The D2 APEX Laser Level with its bright green laser beam, highlighting its visibility compared to red beams.
3.2 Setup and Charging
- Charging: The D2 APEX Laser Level has a 2600 mAh rechargeable battery. Connect it to a USB-C power source for charging. The LED display will show the charging status.
- Placement: Place the laser level on a stable surface or mount it on a tripod for accurate measurements.

Image 3.2: The D2 APEX Laser Level charging via USB-C, illustrating its compatibility with power banks and wall chargers.
3.3 Operating Instructions
The D2 APEX features an LED smart display and multiple line modes.

Image 3.3: The LED smart display of the D2 APEX Laser Level, indicating low power, normal power, and charging status.
- Power On/Off: Use the designated button to power the device on or off.
- LED Smart Display: The display shows remaining power, pulse mode status, and laser beam status.
- Line Modes: The device offers three line modes:
- Horizontal Line: Projects a 170° horizontal line with plumb points.
- Vertical Line: Projects a 130° vertical line.
- Both Laser Lines: Projects both horizontal and vertical lines with plumb points.
- Self-Leveling Mode: The laser level automatically levels itself within a certain range. If outside this range, the laser may flash to indicate it cannot self-level.
- Manual Mode: For projecting lines at custom angles, engage manual mode (refer to device controls for specific activation).

Image 3.4: Illustration of the three available line modes: horizontal, vertical, and both lines with plumb points.

Image 3.5: A user utilizing the plumb points feature of the D2 APEX Laser Level for precise positioning and alignment on a ceiling.
3.4 Maintenance
- Cleaning: Keep the laser windows clean and free of dust. Use a soft, lint-free cloth.
- Storage: Store the laser level in its protective casing in a dry, cool environment.
4. General Safety Information
- Eye Safety (Laser Level): The D2 APEX is a Class II laser product (max output less than 1 mW). Do not stare directly into the laser beam. Avoid direct eye exposure.
- Children: Keep both tools out of reach of children.
- Environment: Do not expose tools to rain, moisture, or extreme temperatures.
- Damage: Do not use if either tool appears damaged. Contact support for assistance.
5. Troubleshooting
5.1 Fanttik NEX S1 Pro Screwdriver
- Screwdriver not turning on: Ensure the battery is charged.
- Bit slipping: Ensure the correct bit size is used and it is fully inserted into the chuck.
- Insufficient torque: Adjust to a higher torque setting or use manual mode for increased force.
5.2 Fanttik D2 APEX Laser Level
- Laser not visible: Ensure the battery is charged. Check for obstructions. In bright conditions, the laser may be less visible.
- Laser flashing: The device may be outside its self-leveling range. Adjust its position on a level surface.
- Display not working: Ensure the battery is charged.
6. Specifications
| Feature | Specification |
|---|---|
| Voltage | 3.7 Volts |
| Torque Levels | 1.5 / 3 / 4.2 N.m |
| Max Hard Torque | 6 N.m |
| Max Manual Torque | 8 N.m |
| RPM Output | 220 RPM |
| Material | Aluminum, Metal |
| Power Source | Corded Electric (for charging) |
| Feature | Specification |
|---|---|
| Laser Class | Class II (max output less than 1 mW) |
| Laser Color | Green |
| Horizontal Line Angle | 170° with Plumb Points |
| Vertical Line Angle | 130° |
| Battery Capacity | 2600 mAh |
| Charging Port | USB-C |
| Operation Mode | Self-Leveling, Manual |
7. Warranty and Support
Fanttik products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Fanttik website. Please have your model number (NEX S1 Pro & D2 APEX) and purchase date available when contacting support.