0:21
SMD piezoelectric sounders play a square wave and 50%. #1 PKMCS1818E20A-R1 #2 PKLCS1212E2000-R1
SMD piezoelectric sounders play a square wave and 50%. #1 PKMCS0909E4000-R1 #2 PKMCS0909E48H0-R1
0:23
SMD piezoelectric sounders play a square wave and 50%. #1 PKLCS1212E2000-R1 #2 PKLCS1212E2400-R1 #3 PKLCS1212E4001-R1
0:30
SMD piezoelectric sounders play a square wave and 50%. #1 PKLCS1212E4001-R1 #2 PKMCS0909E4000-R1
0:22
