1. Product Overview
The CONENTOOL MKS12-G-D is a versatile 3D/4D 16-line green laser level designed for precise horizontal and vertical alignment tasks. It features a 535nm green laser for high visibility, a 360° omnidirectional rotation design, and intelligent self-leveling capabilities. This manual provides essential information for safe and effective use of your laser level.

2. Package Contents
Please check the package contents upon receipt to ensure all items are present and undamaged:
- 1 x Laser Level
- 1 x Carrying Case
- 2 x 2400mAh Batteries
- 1 x Remote Control
- 1 x Charger (TYPE-C charging cable, charging head not included)
- 1 x Mini Tripod
- 1 x Lifting Base (All aluminum)
- 1 x Small Buckle
- 1 x Multifunction Magnetic Bracket
- 1 x Upper Wall Iron Plate
- 1 x 5/8" Adapter Screw
- 1 x User Manual (Instruction)

3. Setup Instructions
3.1 Component Identification
Familiarize yourself with the main components of the laser level:

- Self-leveling Mode Switch: Activates/deactivates self-leveling.
- Vertical Lines Switch (V): Controls vertical laser lines.
- Horizontal Line Switch (H): Controls horizontal laser lines.
- Battery Compartment: Houses the rechargeable battery.
- 360° Horizontal/Vertical Lines: Emitted laser planes.
- Vertical Lifting Platform: For height adjustment.
3.2 Battery Installation and Charging
- Open the battery compartment on the laser level.
- Insert one or both 2400mAh batteries, ensuring correct polarity.
- Close the battery compartment securely.
- To charge, connect the TYPE-C charging cable to the laser level's charging port and a suitable USB power adapter (not included). The device supports charging while in use.

3.3 Mounting Options
The laser level offers various mounting options for different applications:
- Direct Use: Place the laser level directly on a stable surface.
- Lifting Platform Base: Use the all-aluminum lifting platform for precise height adjustments.
- Fine-Tuning Base: Attach the all-aluminum fine-tuned base for micro-adjustments and stability.
- Magnetic Bracket: Use the multifunction magnetic bracket to attach the level to metallic surfaces.
- Wall Panel Stand: Secure the upper wall iron plate to a non-metallic wall, then attach the magnetic bracket to the plate.
- Tripod Compatibility: The laser level is compatible with standard tripods (5/8" adapter screw included for larger tripods).

4. Operating Instructions
4.1 Power On/Off
Locate the main power switch (often a sliding switch) on the side of the laser level. Slide it to the 'ON' position to power on the device. Slide it to 'OFF' to power off.
4.2 Self-Leveling Mode
- With the device powered on, press the Self-leveling Mode Switch (often marked with an asterisk or similar symbol) to activate or deactivate self-leveling.
- In self-leveling mode, the device will automatically level itself within a range of 3° ± 1°.
- If the device is outside its self-leveling range, an audible alarm will sound, and the laser lines may flash, indicating that the device needs to be adjusted to a more level surface.
4.3 Switching Laser Lines
The laser level can project 16 lines (4D: 2 horizontal, 2 vertical planes). Use the dedicated buttons on the device or the remote control:
- Horizontal Line Switch (H/+): Press to cycle through horizontal laser line configurations.
- Vertical Lines Switch (V/-): Press to cycle through vertical laser line configurations.


4.4 Fine Angle Adjustments
When using the magnetic bracket or fine-tuning base, you can make tiny angle adjustments using the rotary knob for precise alignment.

5. Maintenance
- Cleaning: Regularly wipe the laser level and its lenses with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the laser level in its carrying case in a dry, cool place, away from direct sunlight and extreme temperatures.
- Battery Care: Charge batteries fully before storage if not used for extended periods. Do not expose batteries to high temperatures or short-circuit them.
- Protection: The device is designed to be waterproof, shockproof, and dustproof (IP54 rated), but avoid unnecessary exposure to harsh conditions.
6. Troubleshooting
- Laser lines not appearing:
- Ensure the device is powered on and batteries are charged.
- Check if the laser line switches (H or V) are activated.
- Laser lines flashing or alarm sounding:
- The device is likely outside its self-leveling range (3° ± 1°). Adjust the position of the laser level to a more level surface.
- Inaccurate laser lines:
- Ensure the device is on a stable surface and within its self-leveling range.
- Avoid strong vibrations during operation.
- If using manual mode, ensure it is correctly set for your desired angle.
- No pulse mode: The CONENTOOL MKS12-G-D laser level, as described in its specifications and features, does not explicitly mention a pulse mode function for use with a receiver.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | CONENTOOL |
| Model | MKS12-G-D |
| Laser Type | 16 Lines (4D) |
| Laser Wavelength | 535nm green (PC description says 635nM, product properties say 532nm green. Using 535nm from features for consistency) |
| Working Distance | 10~30M |
| Laser Accuracy | ±1mm/7m (PC description says 7m/±1.5mm, product properties say ±1mm/7m. Using product properties for precision) |
| Automatic Leveling Range | 3° ± 1° |
| Laser Level | Level 2 |
| Battery Capacity | 2400mAh (x2) |
| Battery Life (8-line status) | 3~4 hours |
| Working Voltage | 110~220V |
| Protection Rating | IP54 (Waterproof, Shockproof, Dustproof) |
| Dimensions (Plastic box packaging) | 31.5 x 29 x 13.5 cm |
| Gross Weight | 2.165 kg |
| Certification | CE, WEEE |
8. User Tips
- Maximize Battery Life: The device comes with two batteries, allowing for extended operation. Keep a spare charged for continuous work.
- Versatile Positioning: Utilize the various mounting accessories (magnetic bracket, lifting platform, tripod) to achieve optimal positioning for any task, whether on walls, floors, or ceilings.
- Remote Control Convenience: Use the remote control to switch between horizontal and vertical lines without needing to physically touch the device, especially useful when the level is mounted in hard-to-reach places.
- Check Leveling: Always ensure the device is within its self-leveling range to guarantee accuracy. The alarm will notify you if it's out of range.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact information provided by your retailer or the manufacturer. Keep your purchase receipt as proof of purchase.





