Davis Omni Antenna f Long Range Repeater Brand_Petmate Dimitra Chronopoulos Dimitra Chronopoulos Benefits: Teach children the concept of elapsed time Make homework and practice time more productive Keep meetings on time and moving forward Reduce conflict in family and household routines Manage the stress of transitions by showing "how much longer" Empower teachers to teach instead of constantly monitoring behavior Increase performance on tests and in the workplace Transcends language and culture barriers Features: Volume control dial for those times you need a louder tone and those when you prefer silence Easy to read numbers Lightweight anti static disk Silent operation (no loud ticking must purchase third party antennas in compliance with local regulations 560' in all directions