How to Choose the Perfect Radar Gun for Your Baseball Training Needs

A radar gun helps track a player's progress and gives instant feedback on velocity. But picking one isn't as simple as grabbing the first gun you see. Here are the things that actually matter. (We've also cleared up one myth from the original version of this post: there's no such thing as a "non-Doppler" sports radar gun. They all use the Doppler effect. See how a radar gun works.)

1. Accuracy and how the gun reads speed

Look for a published accuracy spec, such as ±1 mph or a percentage of the reading. Also check when in the pitch the gun reads. Guns that capture the peak speed near release line up with MLB's official numbers. Guns that read later in flight show lower numbers. That isn't wrong, but it won't match a broadcast. More in are baseball radar guns accurate?

2. Range

Range is how far away the gun can pick up a ball. If you'll stand behind the catcher for pitching, a consumer gun with 60–120 ft of range is plenty. If you want readings from the dugout, the stands or the outfield, you'll need a pro-level gun.

3. Features: app, video, sign, spin

• App and video: some guns pair with a phone to record video with the speed on it and keep each player's history.
• Speed signs: a big display so the whole team (or the crowd) sees the number. Some guns connect to a sign wirelessly; some older setups use a cable.
• Exit velocity and running speed: many guns can read balls going away, too.
• Spin rate: only a few handheld guns measure it, and they're expensive. See the Stalker Pro IIs and Pro 3s.

More features usually means a higher price, so buy the ones you'll use.

4. Wired vs wireless

This used to be a bigger decision. Today most handheld guns are battery powered and self-contained. "Wireless" mostly means Bluetooth to a phone app or a speed sign: easy to set up, easy to move, but it adds pairing and phone-battery issues. "Wired" mostly matters for fixed installs (a stadium gun feeding a scoreboard) or older guns that connect to a sign or computer by cable: reliable, but a hassle to move.

For most players, parents and coaches, a handheld gun with optional Bluetooth is the right choice.

5. Size, power and portability

A small gun you'll actually bring to the field beats a better one that stays in the closet. Check the battery type (AA, AAA, C, 9V or rechargeable) and how long it runs. Carry spares.

6. Durability and weather

Look for water resistance if you play in the rain, and a case. Pro guns often have rugged, weatherproof builds.

7. Warranty, support and budget

Warranties vary, typically one or two years for new guns from the maker; check before you buy. Buying from the maker or an authorized dealer keeps you covered. A used gun can be a great value, but usually without a warranty. See our used radar gun guide.

Quick picks by situation

• Most families and coaches: a pocket-size gun with ±1 mph accuracy. Compare the Smart Coach vs Ball Coach.
• Travel teams and programs that want range or a sign: see Pocket Radar vs Stalker Sport 3 Connect.
• Tight budget: see the best radar guns under $100 and apps vs real radar guns.
• Want a classic trigger gun or big display: the Sports Radar SR3600 or the JUGS Radar Cube.

See every pick side by side in our best baseball radar guns guide →