Greensen Wireless Sprint Timer Race Clock Stopwatch 5 Digit Display 0.001s Accuracy 8m Light Distance with Shockproof Storage Box for Racing Roller Skating Track Field

Spec: Item Type: Sprint Timer Material: Aluminum, PC, ABS Timer Power Supply: 1 x 4000mAh Lithium Ion Battery (Built in) Repeater Power Supply: 1 x 1500mAh Lithium Ion Battery (Built in) Screen Display: When timing is less than 60 seconds, display (XX.XXX) (format: seconds.milliseconds) When timing is between 60 seconds and 9 minutes 59 seconds 59, display (X.XX.XX) (format: minutes.seconds.milliseconds) When timing is larger than 9 minutes 59 seconds 59, display (XX.XX.X) (format: minutes.seconds.milliseconds) Package List: 1 x Timer 1 x Repeater 2 x Reflector 4 x Ground Stand 3 x Stand 2 x Charging Cable 2 x Antenna 1 x Storage Box 1 x Instruction Manual How To Use: Take out the product and follow the instructions manual. Note: 1. Do not direct the beam towards the eyes. 2. The distance between the reflector and the timer beam must be at least 5 meters. 3. The timer has an anti misfire mechanism. Triggering within 1 second after the timer starts will be invalid. The interval between two triggers must be at least 1 second. 4. Do not use a quick charger to charge this product (chargers typically marked with 6V, 9V, or 12V; these are prohibited).

• [Long Lasting Battery Life] This wireless sprint timer is powered by a robust 4000mah lithium ion battery providing up to 8 hours of continuous use after just 5 hours of charging. the built in battery percentage reminder ensures you never run out of power during timing sessions making it ideal for extended competitions and training.
• [Versatile Application] Perfect for scenarios where the starting and ending points coincide this timer excels in motorcycle races karting single lap timing timing balance bikes roller skating pet training and various athletic training competitions. its adaptability makes it a must have and athletes alike.
• [Automatic Reset Function] Designed for efficiency this track field timer automatically resets and prepares for the next round of timing when triggered again eliminating the need for manual intervention. this seamless operation is perfect for high speed events where every millisecond counts.
• [Portable] The sprint timer comes with a heavy duty storage box that is both water proof and shock proof ensuring your device stays protected during transport and harsh conditions. the compact design makes it easy to carry to any event or training session.
• [ Timing Technology] Featuring a large 1.8 inch five digit display this sprint timer delivers unparalleled accuracy down to 0.001 seconds with a timing error of less than 0.001s per hour. the effective light distance exceeds 8 meters ensuring clear visibility even in outdoor settings for precise race and training measurements.