DIKAVS 5Pcs 3 - 24V Small Enclosed Piezo Electronic Buzzer Alarm 95DB w/Wires

Cylewet 5Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Intermittent Beep (Pack of 5) CYT1083

DIYmall 5 Pack HC-SR501 Pir Motion IR Sensor Body Module Infrared for Arduino

uxcell 5 Pcs DC 3-24V 85dB Sound Electronic Buzzer Alarm Black 23 x 12mm

WAYLLSHINE® 12 Pcs/1 Dozen 2 x 1.5V AA Battery Holder Case Box Black Wire Leads

BVPOW Active Piezo Buzzer DC 3-24V 90 db With Industrial Audio inside 2-Wire Leads Electric Alarmer 5 PCS

uxcell 10PCS DC 12V Wired Connector Active Electronic Buzzer 85dB

EUDAX Micro DC Motor 2mm Shaft Propeller with 4 Vanes 80mm Fan Shape for Fan Leaves Ship Model RC Boat DIY Airplane Science and Education Toys (32PCS)

30 Pack 9 Volt Battery Clip Connector Battery Snap Wire Connectors (30 Pack-15cm)

Gikfun Metal Ball Tilt Shaking Position Switches Sw-520d (Pack of 20pcs) for Arduino Ek1336x2

10 Pack T Type 9 V Battery Clip Connector Long Cable Connection Hard Shell Black Red Connector (T Type)