Mailbox Alarm Mail Chime Notification System-Mail Alarm 600 ft Long Range Wireless Mailbox Alert With LED Light Flashing and Sound Reminderser (1Mailbox Alarm-3Chime)

Wireless Doorbell 3 Receivers, Door Chime Kit 400M/1300ft Range, 1 Push Buttons with IP55 Waterproof/58 Melodies/5 Volume Levels/Flash Light for Home, Office - Black

LiCB 23A A23 12V Alkaline Battery (5PCS)

Sellotape SE3792 20mm x 20mm Sticky Fixer Outdoor