Rechargeable 50 Watt Loud Megaphone with Siren Bullhorn Speaker Outdoor Portable Amplifier It can add

It can add

RS-232 interface and software

90 Deg Tilt

For Grades 7-12

The Rigol DS6000 is the oscilloscope of choice for innovative technology teams with industry leading specifications

Rechargeable 50 Watt Loud Megaphone with Siren Bullhorn Speaker Outdoor Portable Amplifier It can addLoud 50 Watt Rechargeable Megaphone with Detachable Handheld Microphone and Siren mode Sound Coverage: Approximately 2,300 feet (over 2 football fields!) Rechargeable battery pack and charging cable included, also accepts 8x D batteries (not included) as an alternative power option Detachable handheld microphone with volume control, On Off button, and Hold switch. In addition to "Talk" mode, there is also a "Siren" mode that plays a loud alarm over