Tork Heavy Duty AC Vibrating Bell APPLICATIONS: For indoor or outdoor applications. High sound output, durable and dependable performance. Ideal for schools and hospitals. FEATURES: INPUT VOLTAGE: 120VAC INPUT CURRENT (AMPS): 0.065 SHELL SIZE: 10 inch db @ 10 Feet: 84-98 COLOR: Red TERMINAL SIZE: #12 - 22 AWG WIRING: Screw terminals permit fast IN/OUT field wiring. HOUSING: Steel gong and cast aluminum.