ULTRAK 496 - 500 Dual Split Memory Custom Sports Bag this powerful one-tone electronic whistle

this powerful one-tone electronic whistle is designed to meet the demands of referees

and is a great gift for students

laid-back vibe to your wardrobe

Preset countdown time be set up to 99 seconds for both runners on and bases empty

Buzzer when countdown reaches zero

ULTRAK 496 - 500 Dual Split Memory Custom Sports Bag this powerful one-tone electronic whistleTwo memory options: Single memory mode with up to 500 dual split recallable memory which can be reviewed during or after an event. Event data from previous reading will be automatically erased after the start of the next event. Block memory mode allows for storage of multiple events without erasing previous readings. Memory is segregated and stored by each event until erased by user. 500 dual split recallable memory Bottom row displays either running