Goliton 5PC/Lot 95DB Alarm High-Decibel 6-24V 12V Electronic Buzzer Continuous Beep for Arduino SFM-27

GBSTORE 2 Pcs DC 9-15V Active Piezo Electronic Buzzer Alarm

Icstation DC 12V 85dB Active Piezo Electronic Buzzer Beep Tone Alarm Ringer Continous Sound (Pack of 2)

Elegoo HC-SR04 Ultrasonic Module Distance Sensor for Arduino UNO MEGA2560 Nano Robot XBee ZigBee, Set of 5

UCTRONICS DC 12V Time Delay Relay Module for Smart Home, Tachograph, GPS, PLC Control, Industrial Control, Electronic Experiment, Arduino Robot

XINFLY Wired Alarm Siren Horn 1-Tone 15W DC 12V Outdoor with Bracket for Home Security Protection System

Elegoo EL-CP-004 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino

Cylewet 2Pcs 12V DC Electronic Buzzer Alarm Siren Security Horn Active Speaker Burglar Alarm Siren 120dB (Pack of 2) CYT1102

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

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

uxcell Continuous Sound Decibel Piezo Buzzer IC Alarm Speaker DC 12V 120db