... : Siren, manual, wail, yelp, hi-lo, horn, radio. 2. Handhold mike, with controller. 3. Monolithic integrate YSQ-200 1. It conform to ... tone antiaircraft, 6s wrecker, whistle-1, whistle-2, whistle-33. Handhold controller.4. With memory function.5. Monolithic integrated circuit in steadier ...