For product details, see the S-400 Configurable Wireless Timing System. You can also browse more timing equipment guides on the Solutions page or request a quote for a recommended sensor package.
Why accurate timing matters in modern sports training
In serious sports training, small time differences matter. A sprinter improving by 0.05 seconds, a cyclist testing a new acceleration pattern, or a training team comparing repeated runs all need timing data they can trust. A manual stopwatch can be useful for simple sessions, but it depends heavily on human reaction time. For coaches who want more consistent testing, a wireless timing system is a better long-term choice.
The S-400 multifunctional wireless timing system is designed for coaches, athletes, schools, clubs and small event organizers who need professional timing equipment without building a fixed timing venue. It combines wireless communication, adjustable laser sensing, a touch-screen control host and modular sensor packages, making it suitable for sprint timing, split timing, fitness testing, obstacle-course training, cycling, school fitness testing and other sports performance environments.
What makes S-400 different from basic timing kits?
Many entry-level timing devices are built for one simple test: start here, finish there, record the result. That works for a single sprint lane, but training often becomes more complex. Coaches may want to measure acceleration, intermediate splits, repeated passes, multi-point sections or different testing layouts.
S-400 is built as a configurable wireless timing system. The system supports up to 8 wireless sensors at the same time, so users can choose a 2-sensor, 4-sensor, 6-sensor or 8-sensor setup depending on the training plan. This makes it easier to start with a smaller package and expand later when the team needs more timing points.
For a sports club or school, that flexibility matters. You are not locked into one fixed setup. The same timing system can be used for short sprint tests, segmented speed testing, lane-based drills, technical training stations and small competition timing.
Long wireless range for real training environments
A timing system is only useful if it stays connected during training. The S-400 uses a self-developed encrypted 2.4G wireless communication protocol and is designed for stable communication in open environments. The brochure states a wireless communication distance of 400-500 meters, which is about 1300-1600 feet.
That range gives coaches more freedom when setting up a field, track, training lane or outdoor testing route. Instead of being limited by short cables or close-distance devices, the control host and sensors can be positioned around the training area with much more flexibility.
For best setup performance, users should follow the product guidance. When the control host and wireless sensors all have antennas installed, keep the sensors and host at least 2-3 meters apart during testing. Very close distances can cause same-frequency interference. For close-range indoor testing, the host antenna can be installed first while sensor antennas are left off during initial checks.
No reflector needed, faster setup
Traditional laser timing gates may require a sensor on one side and a reflector or receiver on the other. That can increase setup time, especially when a coach is working alone. S-400 is designed with sensor modules that do not require reflectors. Each sensor can be mounted on a tripod, and the effective detection distance can be adjusted up to 15 meters.
This is valuable for real training sessions. Coaches often need to move equipment quickly between drills, athletes and lanes. A no-reflector timing gate setup reduces the number of parts, shortens setup time and makes the system easier to transport.
The standard package includes tripods and a waterproof storage bag. The full kit, including tripods and carrying storage, is approximately 5 kg, making it practical for mobile use at schools, clubs and outdoor venues.
Clear control with a 7-inch full-color touch screen
Training data must be easy to read during a session. The S-400 control host uses a 7-inch full-color touch screen, allowing users to view total times and split times in real time. A touch-screen interface also makes the system easier for new operators to learn compared with button-only devices.
For clubs and schools where different coaches may operate the same timing equipment, simple operation is important. A clear screen helps reduce mistakes and keeps the focus on training instead of troubleshooting.
Better for split timing and multi-point testing
One of the biggest reasons to choose S-400 is its support for multi-point timing. A coach may not only want to know the total 60m sprint time. They may also want to measure the first 10m, 30m acceleration, flying 20m, or the difference between early and late segments.
With multiple sensors, S-400 can support training questions such as:
- How fast is the athlete over the first acceleration section?
- Is the athlete losing speed in the final section?
- Which section improves after a technique change?
- How consistent are repeated sprint efforts?
- Does a new start method improve the first split?
This makes S-400 more than a simple stopwatch replacement. It becomes a training measurement tool for coaches who want to understand performance in sections, not only at the finish line.
Useful for schools, clubs, coaches and venues
S-400 can be used in many sports and testing environments, including track and field, cycling, obstacle courses, military-style fitness testing, school fitness testing and general physical performance assessment.
For a school, the value is portability and simple operation. For a sports club, the value is repeatable testing and expandable sensor packages. For a venue, the value is flexible configuration and long wireless distance. For a distributor, the modular design and replacement-part support make it easier to serve different customer requirements.
Expandable packages reduce buying risk
A common buying mistake is choosing a timing system that only solves today's smallest need. A coach may buy a basic two-gate timer, then later need more split points or a wider training layout. Replacing the entire system is expensive and inconvenient.
S-400 helps reduce that risk because the system is modular. Buyers can select sensor packages based on the current use case and expand as training needs become more advanced. The system supports up to 8 wireless sensors, giving teams room to grow.
This makes S-400 a practical choice for organizations that are not completely sure how their timing requirements will develop over the next few seasons.
Ongoing updates and support
Sports technology should not become outdated too quickly. S-400 supports offline firmware updates, and the product brochure states that customers can receive free system updates for life. New functions can be released over time, helping the system become more capable after purchase.
The system also includes a 1-year global warranty. Because the design is modular, replacement parts can be shipped to customers when needed. For international buyers, this matters because it reduces the need for complex on-site maintenance.
When should you choose S-400?
S-400 is a strong fit if you need:
- A wireless timing system for sports training
- Laser timing gates without reflector setup
- Sprint timing with split timing options
- A portable timing system for schools or clubs
- Multi-point timing with up to 8 sensors
- Long-distance wireless communication
- A configurable system that can grow with your training program
If you only need a very simple single-person start-to-finish test, a smaller timing kit may be enough. But if your training program needs flexibility, multiple timing points and room for future expansion, S-400 is a better investment.
Final recommendation
The best timing system is not always the most complicated system. It is the system that fits your training workflow, gives you reliable data and can adapt when your needs change.
For coaches, clubs, schools and venues looking for a configurable wireless timing system, the S-400 offers a strong balance of portability, long wireless range, no-reflector sensor setup, multi-point timing and modular expansion.
To compare packages or request a configured quote, visit the S-400 product page or contact the 01TIMER team for setup advice.