The Stalker Pro IIs
Capture SPIN RATE and VELOCITY with a hand-held radar gun.
One of the most important baseball pitch analytics, Spin Rate is now provided along with Peak and Across-the-Plate velocity, all in a single window.
No delay, no estimations, simple measurements.
Another game changer from Stalker.
Spin Rate Technology
Patented by Stalker Radar
The Stalker Pro IIs
Stalker engineers have delivered what the other sport radars can’t – Spin Rate from a hand-held sport radar gun.
Package number 811-0015-00
$2,555
It's a whole new ballgame!
Accurate Spin Readings
Capturing the spin rate of a baseball or softball with a hand-held sport radar gun is only possible with the Stalker Pro S Series radar guns. That’s because Stalker engineers have delivered what the other handheld sport radars can’t: Reliably accurate baseball spin readings with no delays and no estimations, plus release speed and across-the-plate speed. You get all three displayed in one easy-to-read window.
Ask any Scout
Built on the legendary Stalker Pro II platform, the Pro IIs not only delivers accuracy, but dependability and durability. Pitch after pitch. Game after game. Season after season. Just ask any pro scout. They’ll tell you why every Major League Baseball team uses Stalker Sport Radars.
You can’t do that with
one-button radar
No delay
Nothing has recently captured the baseball community’s interest like “spin rate.” That’s why Stalker placed such a priority in developing spin rate technology for its hand-held Pro IIs radar. Now you can measure baseball spin rate whenever and wherever you take your Pro IIs. You can’t do that with a one-button radar. The Pro IIs software detects and counts ball revolutions for the most accurate reading possible. And there’s no lag between speed measurement and RPM display. It happens just as fast as the speed readings are displayed!
It goes where you go
So now, location doesn’t matter. Spin rate measurement goes where you and your Pro IIs go. It’s fast, easy, and requires no setup.
NEW! The Stalker Sports App
Unlock the Power of Potential.
The Stalker Sport App puts next-level video and stats in the palm of your hand.
Stalker’s Sport Radar App is the baseball pitching, hitting, running, and fielding analysis tool for users of all levels. Stalker’s app works wirelessly with the Pro IIs and Pro II+ professional sports radar guns to capture player video with stats for sharing any analysis. It’s a must-have for scouts, coaches, trainers, and anyone who is focused on continuing improvement, from the sports radar that’s the number-one choice of Professional Baseball.
Video Capture, Editing, and Sharing
HD video recording can be started and stopped anytime in standard and slow-motion, and is overlaid with performance data. Videos are then saved with the opportunity to edit, add notes, and share.
Powerful History
Reporting is equally as easy and is accessed through the home screen. History by team and player, as well as detailed information on individual players, is available . Data can be edited and notes added. And all information can be shared as well.
The Stalker Pro II platform of outstanding performance
In addition to measuring spin rate, the Pro IIs features wireless technology that enables it to connect to mobile applications, scoreboards, speed signs, your other proprietary devices, and more!
- Speed range of 1-900 MPH
- Up to 500-foot range for velocity
- Spin rate capture up to 150 feet
- Featherweight 2.15 pounds with batteries
Stalker’s Pro IIs Spin Package
Everything you need to measure ball spin, communicate with your wireless devices, and measure a pitcher’s release speed and over-the-plate speed, including:
- Stalker Pro IIs sports radar gun
- Rechargeable Li-Ion battery handle
- Hard plastic carrying case
- Battery charger
- Quick Start
| Speed Range | 1 - 150 MPH |
| Accuracy | +/- 3% of reading |
| Maximum Clocking Distance | Baseball Velocity - 500 feet of unobstructed views Spin rate capture up to 150 feet |
| Transmit Time: | Roughly 5 hours per charge |
| Units of Measure | MPH, km/h |
| Resolution | Tenths and ones - user selectable |
| Radar Beam | 12 degree |
| Acquisition Time | 100 ms |
| Transmitter Power | 10 mW |
| Communication | RS-232 and RS-485. Baud Rate: 9600 to 115200 |
| Ingress Protection | IP67 dust and water proof |
| Warranty | 24 months |
Stalker Pro IIs Package
Includes Stalker Pro IIs, one Li-Ion battery handle, hard travel case, inline battery charger, and Quick Start Guide
$2,555
2.5 Digit Wireless LED System
Includes Stalker Pro IIs, 2.5-Digit LED Speed Sign with Wireless module, Standard tripod, tripod mount, one Li-Ion battery handle, hard travel case, inline battery charger, and Quick Start Guide
$3,660
3.5 Digit Wireless LED System
Includes Stalker Pro IIs, 3.5-digit LED Speed Sign with Wireless module, Standard tripod, tripod mount, one Li-Ion battery handle, hard travel case, inline battery charger, and Quick Start Guide
$3,800
Popular Accessories
Click here for a complete list of accessories
High-Capacity Battery Handle
High Capacity Li-Ion Battery handle for the Stalker Pro II and ATS II radar guns.
200-0944-11
$84
High Capacity Battery Charger
Charges high capacity battery 200-0944-11. Includes US and Euro blade sets.
200-0839-00
$149
High Capacity Wall Charger
Charges high capacity battery while the battery is in the gun. Includes US and Euro blade sets.
200-0842-00
$83.50
4-in-1 Gun Mount
Securely works with any Stalker gun. 360° mounting. Separates for handy tripod mount. Quick release.
200-1603-00
$99
Pro II Charger Adapter Cable
Cable to charge the battery while connected and to power the gun.
155-2303-00
English 
Spanish