Robic SC 500E Silent & Audible Single Event Stop Black Used Bags Catchers can remove the tail Color:Pink Punk Versa Blue Catchers can remove the tail extension and shoulder cap or reposition it to their preference with its hook and loop strap Cushion Core Technology combines low density sponge rubber and ultra durable butyl rubber producing a basketball with a pro touch Perfect for those many activities where only basic timing is required One step timing for all events Start stop reset operation 1 100 second resolution to 10 hours Audible beep confirmation or silent operation Water Resistant to 30 meters Break Away Safety Lanyard helps prevent accidents