YWBL-WH Wireless Sprint Timer 1.8 Inch 5 Digit Display Battery Powered Race Clock Stopwatch for Racing Roller Skating Track Field Athletic Training

Specification: 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).

• [Automatic Reset Function] The timer eliminates manual intervention by automatically resetting and preparing for the next round when triggered again. this seamless operation is ideal for continuous timing in events like motorcycle races, karting laps, and athletic drills, saving time and reducing human error.
• [Long Battery Life & Convenient] Powered by a built-in 4000mah lithium-ion battery, this timer operates for up to 8 hours after just 5 hours of charging. the battery percentage reminder keeps you informed of power levels, while the easy-to-use design ensures quick setup. no more worrying about frequent charging during extended competitions or training sessions.
• [Versatile Applications] Designed for scenarios where start and finish points coincide, this timer excels in multiple sports including roller skating, balance bikes, pet training. its wireless functionality and >8m effective light distance make it suitable for both indoor and outdoor competitive environments.
• [High Timing] This wireless sprint timer features a 1.8-inch five-digit display with millisecond-level (0.001-second) accuracy, ensuring a professional-grade timing experience for competitive events. With a one hour timing error of less than 0.001 seconds, it is ideal for sports requiring extremely high , such as track and field, roller skating, and sprinting.
• [Durable & Portable] Included with your purchase is a sturdy water proof and shockproof storage box, ensuring your sprint timer stays protected during transport. the aluminum, pc, and abs construction withstands rough handling, making it the perfect companion for athletes and on the go.