Buzzer recommendation for RC Alarm

[Almaz]

Can anybody recommend a good light, small, very loud buzzer, 7.2v - apprx 20v for RC small electric planes / helicopters from futurlec.com , mouser.com , or any other retailers?

[microgyros]

If you check under "piezo sounder" you may see 100db self-resonating piezo alarms 1/2" dia 3/8" tall and pc mounting by two pins.-very loud for indoor use.
At low current you easily cut the voltage if the driver circuit was rated at 5 volt.
Farnell have them so Newark should stock them in the US.
mike