
406791 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $949.99 | Condition is New – Open box, Johnson Level 40-6791 Machine Mountable 360 Laser Detector with Case Open Box, shipping cost = $43.85 | 99.6% |

The Johnson 406791 40-6791 Mountable 360-degree Laser Detector Clamp Magnet is an essential tool for anyone looking to enhance their driving safety, particularly for those who frequently encounter construction sites or other situations where laser sensors are used. This versatile and powerful detector is designed to be easily mounted on the windshield or dashboard of your vehicle, providing a full 360-degree view of the surroundings for maximum protection.
The heart of this detector is its advanced laser sensor technology, which is capable of detecting laser signals from all directions. The sensor is housed within a compact, yet robust design, making it ideal for both commercial and personal use. The sensor is also calibrated to detect a wide range of laser frequencies, ensuring comprehensive coverage against various types of sensors.
The mountable design of the Johnson 406791 40-6791 detector is another standout feature, as it allows for quick and easy installation. The clamp magnet base securely attaches to the windshield or dashboard, while the flexible gooseneck arm enables you to position the sensor for optimal visibility. Additionally, the detector comes with a power adapter, making it simple to connect to your vehicle's power source.
The detector features a clear, easy-to-read LED display that alerts you to incoming laser signals. The display is also equipped with an audible alarm, ensuring that you are alerted even if you're not looking directly at the detector. Furthermore, the detector includes a warning light that can be activated to alert other drivers in the vicinity.
The Johnson 406791 40-6791 Mountable 360-degree Laser Detector Clamp Magnet is a high-performance, reliable, and convenient solution for anyone seeking to protect themselves from the hazards of construction site lasers or other laser-based sensors. Its compact design, easy installation, and comprehensive coverage make it an indispensable tool for anyone on the road.
Pros and Cons of buying a Johnson 406791 360-degree Laser Detector with Clamp Magnet
1. Pros:a. 360-degree Detection: This laser detector provides a full 360-degree coverage around the vehicle, making it an excellent choice for those who want comprehensive protection against laser speed guns.
b. Easy Installation: The clamp magnet design allows for easy installation on the vehicle's exterior without requiring professional assistance or drilling holes.
c. High Sensitivity: The Johnson 406791 is known for its high sensitivity, which increases the chances of detecting laser signals earlier and providing ample warning to drivers.
d. Compact Design: The compact size of the detector makes it discreet and less noticeable, reducing the chances of unwanted attention.
2. Cons:a. False Alarms: Some users have reported false alarms, which can be caused by various factors such as sunlight, bright lights, or other vehicles' headlights.
b. Battery Life: The battery life of the detector is relatively short, and it may need frequent replacement or recharging, depending on usage.
c. Limited Range: While the 360-degree coverage is a significant advantage, the detector's range might not be sufficient for some drivers who want protection from a greater distance.
Conclusion:The Johnson 406791 360-degree laser detector with clamp magnet offers several advantages, including comprehensive coverage, easy installation, high sensitivity, and a compact design. However, it also comes with some drawbacks, such as false alarms and limited battery life.
If you are looking for a laser detector that provides full 360-degree coverage and is easy to install, the Johnson 406791 may be a suitable option. However, if you are concerned about false alarms or require a longer detection range, you may want to consider other models or options.
Recommendation:If the Johnson 406791's features align with your needs and preferences, and you are willing to deal with the potential drawbacks, it could be a worthwhile investment for your vehicle. However, it's essential to do thorough research and read customer reviews before making a purchase to ensure that it meets your specific requirements. Additionally, consider purchasing a high-quality battery or a battery backup to minimize the impact of the short battery life.
Details:
Unused, ready to use.
specifications levelmeas:
- brand: Johnson
- mpn: 406791
- part type: Laser Detector Clamp
shipping levelmeas:
- transit: 5-9 days
- service: standard
- class: standard
- type: fixed
returns levelmeas:
- time: 30 days
- method: money back
- paid by: seller
- policy: returns accepted
offer levelmeas:
- options: ship-to-home
- in stock #: 1
- started: december 17, 2025
- price: $949.99
- item condition: New – Open box
- sold #: 10
- availability: in stock
seller levelmeas:
- # reviews: 5129
- city: san francisco, california
- rating: 95.5%
general levelmeas:
- category: Home & Garden > Workshop Equipment > Measuring Layout Tools > Levels
payments levelmeas:
- other
- credit card: discover
- wallet: google-pay
Related To:
- 40-6184: TOOL LASER LEVEL, Johnson
- 049448557301: LASER ROTARY DETECTOR, Johnson
- 049448005079: TOOL LASER LEVEL, Johnson
- 40-6164: TOOL LASER LEVEL, Johnson Level Tool
- 40-0915: LASER LEVEL, Johnson Level
- 40-6534: TOOL LASER LEVEL ROTARY, Johnson Level Tool
- 40-6539: LASER LEVEL ROTARY KIT, Johnson
- 40-6657: LASER LEVEL, Johnson
- 049448276448: TOOL LASER LEVEL KIT, Johnson
- 40-0912: TOOL LASER LEVEL, Johnson Level Tool Mfg Co
- 40-6240: LASER LEVEL, Johnson
