The highly visible, multi-purpose Spectra Precision® Laser HV401 is an advanced laser with exceptional accuracy and durability for your indoor job sites. You can use the HV401 in both horizontal and vertical modes in the widest variety of applications to maximize your return on investment and increase your productivity.

The HV401 is easy to set up, learn and use, and gives you automatic, self-leveling, one-person operation and a simple user interface common on the transmitter and remote control. Designed to work with common construction materials and infrastructure such as drywall, wall anchors, and reference marks, the HV401 features a multi-use mount for ceiling installation and drywall framing. The HV401 laser provides a permanent, hands-free reference for hanging ceilings in large rooms so you can complete the job with one setup.

- Fast setup, minimal training time, and automatic self-leveling minimize operating costs and boost productivity
- Powerful, bright visible beam provides permanent, hands-free reference for multiple users.
- Temperature-calibrated accuracy for consistent performance over the entire jobsite
- Designed to withstand a drop of up to 1 m (3 ft) directly onto concrete or a tripod tip-over up to 1.5 m (5 ft) for minimum repair time
- Multiple power options: NiMH rechargeable batteries, direct power or alkaline batteries for minimum downtime
- With the plunging plumb beam, the laser can be referenced to right-angle marks for quick setup in layout of interior walls and framing.
- Single-axis slope mode offers fast setup and grade match to a reference mark for permanent and accurate ceiling slope reference
- Long-range remote control gives you quick access to all the laser functions without returning to the transmitter