
Still missing your target due to distance miscalculations? Vritok presents the J51KX Laser Rangefinder Monocular, featuring a groundbreaking 7° ultra-wide view and 1500m ultra-long range measurement. Achieve precise targeting in just 0.3 seconds-dominating golf, surveying, and all scenarios!
Targeted breakthroughs in technical features:
Do ordinary rangefinders give inaccurate readings on complex terrain (slopes, bunkers), affecting your shot strategy?
Solution:
ñ0.3-yard ultra-high precision + slope compensation technology.

Slow response time disrupts your swing rhythm? Waiting for measurements kills your competitive focus?
Solution:
√0.1s instant ranging + vibration alert function.

Poor visibility in harsh conditions: glare, rain, and bright light disrupt your view
Solution:
√Multi-coated lenses + high-transparency display

Bulky and cumbersome design hinders your swing and portability.
Solution:
√182g ultra-light body + magnetic grip design

The Wellray J51KX Professional Golf Rangefinder Monocular combines cutting-edge optoelectronic technology with ergonomic design. Featuring a 7x multi-coated optical system and a high-resolution OLED display (with red backlight), it integrates a laser ranging module with ±0.3-yard accuracy, AJ full-function two-point distance mode, and USGA-compliant slope compensation. Crafted from ABS+PC composite material with IP54 protection, it includes a magnetic quick-release system and physical DIP switches. Tested for -40°C to 50°C environments, it delivers precise and reliable course measurements for professional players.
As a professional manufacturer in laser rangefinding technology, Wellray has built a formidable technical edge through 16 years of R&D and innovation. Leveraging robust research capabilities and continuous technological advancements, we provide global customers with high-precision, ultra-reliable professional laser rangefinders for golf, outdoor hunting, engineering surveys, and other specialized fields. Moving forward, Wellray will further deepen its laser ranging technology development, delivering cutting-edge innovations and superior products to clients worldwide.











