1. Introduction
This manual provides essential information for the safe and efficient operation of your Black & Decker LZR210 Laser Level and Detector. Please read these instructions thoroughly before using the device to ensure proper function and to prevent injury or damage. Keep this manual for future reference.
2. Safety Information
WARNING: Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
2.1 Laser Safety
- This device is a Class 2 laser product. Do not stare directly into the laser beam.
- Do not intentionally direct the laser beam at people or animals.
- Avoid direct eye exposure to the laser beam.
- Do not modify the laser device in any way.
- Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
2.2 General Safety
- Keep the work area clean and well-lit. Cluttered or dark areas invite accidents.
- Do not operate the device in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Keep children and bystanders away while operating the device. Distractions can cause you to lose control.
- Store idle devices out of the reach of children and do not allow persons unfamiliar with the device or these instructions to operate the device.
- Use the correct device for your application. The correct device will do the job better and safer at the rate for which it was designed.
3. Package Contents
Verify that all items listed below are present and undamaged upon opening the package:
- Black & Decker LZR210 Laser Level and Detector Unit
- Wall Mounting Pins
- Reflector (to enhance line visibility)
- 9V Alkaline Battery
- Transport Bag
- Instruction Manual (this document)
4. Product Overview
Familiarize yourself with the components of your LZR210 device before operation.

Figure 1: Black & Decker LZR210 Laser Level and Detector. This image shows the orange and black device with its laser aperture, control buttons, and detection zone clearly visible.
4.1 Key Components
- Laser Aperture: Emits the horizontal laser line.
- Detection Zone: Area on the device used for detecting wood, metal, and live wires.
- Mode Selector Switch: Used to switch between laser leveling and detection modes.
- LED Indicators: Provide visual feedback for detection results (e.g., presence of stud, metal, or live wire).
- Battery Compartment: Located on the back, for 9V battery.
- Wall Mounting System: Integrated system for attaching the device to a wall for hands-free laser projection.
5. Setup
5.1 Battery Installation
- Locate the battery compartment cover on the back of the device.
- Slide or unclip the cover to open it.
- Insert the supplied 9V Alkaline battery, ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
5.2 Wall Mounting
The LZR210 features a practical wall mounting system for projecting horizontal lines hands-free.
- Identify the desired height and position for your laser line.
- Use the provided mounting pins to secure the device to the wall. Ensure the device is stable and level before operation.
- Alternatively, the device can be placed on a flat, stable surface for laser projection.
6. Operating Instructions
6.1 Laser Leveling Mode
- Ensure the device is securely mounted or placed on a stable surface.
- Slide the mode selector switch to the laser leveling position (indicated by a laser icon).
- The device will automatically project a horizontal laser line.
- For enhanced visibility in bright conditions, use the included reflector by placing it against the surface where the laser line is projected.
- When finished, switch the device off to conserve battery life.
6.2 Detection Mode (Wood, Metal, Live Wire)
The LZR210 can detect wood studs, metal objects, and live electrical wires behind walls.
- Slide the mode selector switch to the detection position (indicated by a detection icon).
- Place the device flat against the wall surface in the "ZONE HERE" area.
- Slowly slide the device horizontally across the surface.
- Observe the LED indicators:
- Specific LEDs will illuminate to indicate the presence of wood, metal, or live wires.
- The intensity or pattern of the LEDs may indicate proximity or type of material. Refer to the device's specific markings for detailed interpretation.
- Mark the detected locations carefully.
- Always scan the area multiple times from different directions to confirm readings before drilling or cutting.
- When finished, switch the device off.
7. Maintenance
- Cleaning: Wipe the device with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure the laser aperture and detection zone are clean for accurate operation.
- Storage: Store the device in its transport bag in a dry, cool place, away from direct sunlight and extreme temperatures. Remove the battery if the device will not be used for an extended period to prevent leakage.
- Battery Replacement: Replace the 9V battery when the low battery indicator illuminates or if the device's performance degrades.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Battery is dead or incorrectly installed. | Check battery polarity. Replace with a fresh 9V Alkaline battery. |
| Laser line is dim or not visible. | Low battery; bright ambient light; dirty laser aperture. | Replace battery. Use in lower light conditions or use the reflector. Clean laser aperture. |
| Detection results are inconsistent or inaccurate. | Device not flat against surface; scanning too fast; presence of moisture in wall. | Ensure device is flat against the wall. Scan slowly and consistently. Allow walls to dry if moisture is suspected. |
| Cannot detect live wires. | Wires are not live; wires are too deep; interference. | Ensure power is on to the circuit. Scan slowly. Note that detection depth can vary. |
9. Specifications
- Model: LZR210
- Manufacturer: Black & Decker
- Part Number: 4000813668
- GTIN: 05035048135914
- Color: Orange
- Material: Metal
- Operating Mode: Automatic
- Battery Type: 9V Alkaline (included)
- Package Dimensions: 31.4 x 19.2 x 9.6 cm
- Weight: 780.19 g
- Laser Class: Class 2
- Detection Capabilities: Wood studs, Metal objects, Live electrical wires
10. Warranty and Support
For warranty information, technical support, or service inquiries, please contact Black & Decker customer service. Retain your proof of purchase for warranty claims. Contact details can typically be found on the official Black & Decker website or on the product packaging.
Website: www.blackanddecker.com







