The SEIKO PS-110 Starter System is the perfect tool for starting races or events with precision and efficiency. This system includes an electronic starter, portable speaker, and headset microphone with connection cables for easy setup. The bright strobe light flashes when the trigger is pulled, providing a visual cue for participants. With two different starting tones - gun fire and whistle - you can customize the start to fit your event. The speaker produces sound up to 93dB to 30 feet with volume control for clear and powerful audio. The electronic starter is powered by AA batteries, while the speaker is powered by 8 AA batteries. With up to 1200 starts on a single set of batteries and a battery life indicator, you can rely on this system for all your starting needs.