doorslay 600M / 900M Golf Distancefinder - Precise Range & Speed

In this review of the doorslay distancefinder, the bottom line is simple: golfers and outdoorsmen who need a compact, accurate measuring instrument will appreciate how reliably this unit finds range and speed on the course or in the field. The reviewer found the single biggest reason to buy is its combination of long-range accuracy and usable optics - it measures out to either 600 m or 900 m with about +/- 1 yard precision while offering 6X magnification that keeps targets crisp and easy to identify.

Key Features

• High precision: The unit measures distances up to 600 m or 900 m with an advertised accuracy of +/- 1 yard, which makes club selection more consistent on long approaches.
• Speed measurement: It detects the speed of moving objects up to 300 km/h, useful for range drills and some field applications where motion tracking matters.
• 6X magnification: The optics bring targets six times closer with multilayered coatings for bright, clear images and accurate target identification.
• Flagpole locking: Built-in flag lock mode simplifies locking onto the pin, reducing guesswork on the green and speeding up play.
• Portable and durable: At roughly 4.1 in x 3.2 in x 1.6 in and about 6 oz, the housing is compact, water resistant and easy to carry in a pocket or pouch.
• Simple controls: Two-button operation and a meter/yard switch make it straightforward to use even when conditions are wet or chilly.

Who It's For

The doorslay distancefinder is best for recreational and serious golfers who want a lightweight, accurate rangefinder with usable optics and a flag lock feature to speed up green-side decisions. Huntiers and sporting event spectators who need a compact, multi-mode device will also find value in the speed and distance modes.

It is less well suited for those who require extreme-weather rated instrumentation beyond the stated water resistance range or professional surveyors who need centimeter-level precision and specialized calibration. Users seeking integrated GPS or course databases should look elsewhere.

Pros & Cons

Pros

• Compact and lightweight, making it convenient to carry on the course or trail.
• Accurate long-range measurement to 600 m or 900 m with a tight +/- 1 yard tolerance for most recreational needs.
• Clear 6X magnification optics with multilayer coatings deliver bright, high-resolution views.
• Versatile modes including distance, speed, fog compensation and flagpole locking make it useful across activities.

Cons

• Not intended as a professional surveying tool; those needing sub-yard precision or advanced environmental specs should consider specialized instruments.
• Controls are minimal by design, which may limit quick access to advanced settings for power users.

Specifications

Brand	doorslay
Maximum range	600 m or 900 m (model dependent)
Accuracy	Approximately +/- 1 yard
Magnification	6X
Speed range	Up to 300 km/h
Size	About 4.1 in x 3.2 in x 1.6 in
Weight	Approximately 6 oz

Our Verdict

The doorslay 600M / 900M distancefinder is a solid value for golfers and outdoor enthusiasts who want a compact, accurate, and easy-to-use rangefinder with useful extras like speed mode and flag lock. It balances dependable optics and straightforward controls at a size and weight that make it a practical everyday carry for the course or range.

Frequently Asked Questions

Can it measure both meters and yards?
Yes, the unit offers a simple switch to toggle measurement units between meters and yards.

How durable is the housing in wet conditions?
The housing is water resistant and built to handle typical outdoor use in a range roughly from -10 to 40C, but it is not rated for full submersion.

Does it lock onto flagsticks reliably?
The built-in flagpole locking mode is designed to help identify and lock onto pin targets, which the reviewer found effective in most golfing situations.