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The UNI-T LM570LD-II is a compact, professional-grade cross-line laser level engineered for precision alignment and layout tasks in construction, renovation, and interior design . This portable instrument projects bright green laser lines for accurate leveling and alignment across a wide range of indoor applications .
Designed for both professionals and DIY enthusiasts, the LM570LD-II features advanced green LD laser technology that provides exceptional visibility even in bright and large work areas up to 10 meters away . With its automatic self-leveling system, manual mode for inclined operations, and ultra-compact design, this laser level is an indispensable tool for building construction, home decoration, furniture installation, and tiling projects .
Bright Green Beam Projection: Projects 2 laser lines (horizontal and vertical) with 520nm±5nm green LD laser technology . The 20mW laser power provides clear, sharp lines for precise alignment .
High-Precision Self-Leveling: Advanced magnetic damping gravity pendulum system ensures automatic leveling within 3°±1° . Self-leveling time is just 3 seconds, and an out-of-level alarm alerts when the instrument is beyond its leveling range .
Superior Accuracy: Delivers professional-grade accuracy of ≤±3mm at 10m for both horizontal and vertical lines, ensuring reliable results for demanding applications .
Manual Mode for Slope Operation: Features a manual mode that disables self-leveling, allowing you to project lines at any angle for inclined applications such as staircase installation, drainage layout, and angled construction .
Long Battery Life: Powered by 2 × 1.5V AA (LR6) alkaline batteries (included), providing approximately 4 hours of continuous operation with all lasers active .
Compact & Portable Design: Ultra-compact dimensions of 85.5mm × 62mm × 90.3mm and lightweight construction of only 240g (0.24kg) make it easy to carry and use anywhere .
Flexible Mounting Options: Includes a versatile mounting bracket for wall attachment, and features a standard 1/4" or 1/2" tripod thread for stable positioning on professional tripods .
Top Window Design: Features a top window for enhanced laser projection angles, making it ideal for close-quarters applications and tight spaces .
Outdoor Pulse Mode: Built-in pulse mode extends the working range to 30 meters when used with a compatible laser receiver (not included) .
User-Friendly Operation: Simple one-button control for easy mode switching between self-leveling and manual modes .
| Item | Quantity |
|---|---|
| UNI-T LM570LD-II Laser Leveler | 1x |
| AA (LR6) Alkaline Batteries (1.5V) | 2x |
| Mounting Bracket / Adapter | 1x |
| Soft Carrying Case / Pouch | 1x |
| User Manual | 1x |
| Gift Box / Retail Packaging | 1x |
The LM570LD-II utilizes advanced green LD laser technology with 520nm wavelength and 20mW power output . Green lasers are significantly brighter and more visible to the human eye than red lasers, making them ideal for well-lit indoor environments and larger work areas .
The advanced magnetic damping gravity pendulum system ensures automatic leveling within 3°±1° . When placed on a surface within this range, the instrument automatically levels itself in just 3 seconds . If placed outside the leveling range, the laser flashes as an alarm, preventing inaccurate measurements .
The LM570LD-II features a manual mode that disables the self-leveling mechanism, allowing you to project lines at any angle for inclined applications . This is ideal for:
Installing stair railings
Laying drainage pipes with proper slope
Setting up angled architectural features
The instrument features a top window that enhances laser projection angles, making it particularly useful for close-quarters work and tight spaces . This design allows for precise positioning even when the laser is placed directly against walls.
The built-in pulse mode extends the working range to 30 meters when used with a compatible laser receiver (sold separately) . This makes the tool versatile for both indoor and limited outdoor applications.
The included mounting bracket allows for wall attachment via strong magnetic adsorption to metal surfaces . The bracket enables the laser to be positioned as close as 10mm from the wall, ideal for close-range fine work such as plastering and tile layout . A standard tripod thread ensures compatibility with professional tripods .
At just 240g and pocket-sized dimensions, the LM570LD-II is exceptionally portable . Its compact form factor makes it easy to transport between job sites and use in confined spaces.
The intuitive one-button control allows for easy switching between self-leveling and manual modes, making operation straightforward even for first-time users .
The UNI-T LM570LD-II is an ideal tool for a wide range of applications :
Wall alignment and formwork installation
Foundation layout and structural framing
Quality control and inspection
Ensuring flat and level surfaces for paving
Base line setting for ground paving
Cable tray positioning
Furniture assembly and installation
Workshop measurements and layout
Home theater and TV mounting
Drainage slope verification (with manual mode)
Ramp and inclined surface layout
| Feature | Benefit |
|---|---|
| Bright Green Laser (520nm) | Superior visibility in well-lit indoor environments—up to 4× brighter than red lasers . |
| 2-Line Projection (H+V) | Essential horizontal and vertical coverage for all basic leveling and alignment tasks . |
| ±3° Self-Leveling Range | Automatically levels on slightly uneven surfaces, saving setup time and ensuring accuracy . |
| 3-Second Self-Leveling | Fast setup for efficient workflow—ready to use in seconds . |
| Out-of-Level Alarm | Prevents errors by alerting when the instrument is beyond its leveling range . |
| Manual/Slope Mode | Versatile for inclined applications like staircases, drainage, and angled installations . |
| 4-Hour Battery Life | All-day operation with standard AA batteries—no recharging required . |
| Ultra-Compact & Lightweight (240g) | Pocket-sized portability—easily fits in any tool bag . |
| Top Window Design | Enhanced projection angles for close-quarters work . |
| Included Mounting Bracket | Versatile wall mounting with magnetic attachment for close-to-wall positioning . |
| Pulse Mode for Outdoor Use | Extends working range with optional receiver for limited outdoor applications . |
| Trusted UNI-T Quality | Backed by UNI-T's reputation for reliable test and measurement equipment with CE/UKCA certification . |
The UNI-T LM series offers several models with varying capabilities:
Laser Safety: Class II laser (<1mW) is safe for general use, but never aim the laser directly at eyes or stare into the beam . Always use caution around others.
Battery Care: Use high-quality AA alkaline batteries. Remove batteries if storing for extended periods to prevent leakage . Turn off the power before replacing batteries.
Lens Cleaning: Keep the laser windows clean using a soft, dry cloth. Avoid touching optical surfaces with fingers.
Environmental Limits: Operate within -10°C to 40°C; avoid extreme temperatures and humidity . Store at -20°C to 70°C.
Avoid Impacts: While rugged, avoid dropping or striking the device to maintain calibration accuracy . Lock the pendulum when transporting.
Storage: Store in a dry, ventilated place when not in use. Use the included soft pouch for protection .
Tripod Use: Ensure the tripod is stable and secure before mounting the instrument.
Self-Leveling Verification: Wait for the laser to stop moving (approximately 3 seconds) before taking measurements . If the laser flashes continuously, reposition on a more level surface.
The UNI-T LM570LD-II is widely recognized as a reliable, portable, and accurate laser level that delivers exceptional value for its price point. Its combination of bright green laser technology, rapid self-leveling, manual mode versatility, and ultra-compact design makes it an indispensable tool for contractors, electricians, tilers, and serious DIY enthusiasts .
The official UNI-T product description highlights its use in "home decoration, indoor wall construction, tiling, staircase layout, interior installation, wall construction, door and window installation, and ceiling modeling" . With its simple one-button operation and complete accessory package, it's ready to use right out of the box.
Visibility: Users consistently praise the green laser's brightness and clarity, even in well-lit indoor environments .
Portability: The ultra-compact size and light weight (240g) make it easy to carry and use anywhere .
Ease of Use: Simple one-button control and fast self-leveling make it accessible for users of all experience levels .
Accuracy: The ±3mm@10m accuracy provides reliable results for professional applications .
Battery Life: 4 hours of operation on standard AA batteries is convenient and cost-effective .
Value: Excellent price-to-performance ratio for a professional-grade green laser level .
Indoor Use Only: IP20 rating means it's designed for indoor use and should be protected from moisture and dust .
Range: 10m working distance is suitable for most indoor applications; for larger spaces, consider higher-end models .
Outdoor Use: Requires pulse mode and compatible receiver for outdoor applications (receiver not included) .
The UNI-T LM570LD-II is the ideal choice for professionals and DIY enthusiasts who need a portable, bright, and accurate laser level for everyday leveling and alignment tasks. Its 2-line green beam projection, 3-second self-leveling, manual mode versatility, and ultra-compact 240g design make it exceptionally well-suited for tilers, electricians, carpenters, and home renovators .
Whether you're installing kitchen cabinets, laying tiles, aligning switches and sockets, running cable conduits, or hanging pictures, the LM570LD-II delivers the precision, reliability, and ease of use you need. With its simple operation, included mounting bracket, and affordable price point, it's a smart investment for anyone who values accurate leveling and alignment .
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