SAE 800 is a single-tone, dual-tone or triple-tone gong IC 

• Voltage range 2.8 - 18V DC
• Oscillator set to f 0= 13.2 kHz IC generates 660 Hz – 550 Hz – 440 Hz
• Standby state draws only a few uA
• DIL 8 or SO8 (smd) 
• It requires a few external components

Data sheet here

Varasto/lager: