Mailbox Alarm, Briidea 500ft Wireless Mailbox Alert with LED Light Flashing and Sound Reminders

Key features

• WHY CHOOSE US? Are you sick of making a dozen-a-day trips to the mailbox? Are you still worried about mail being stolen? With briidea mailbox alarm wireless long range, you'll know immediately when your mail has arrived. It saves a lot of wasted time to the mailbox to check for mail, and it can also prevent your mail from stolen, make your life become easier
• SUPER COVERAGE: It easily achieves an 500ft wireless range in the open area. Even if goes through 5 walls, doors, and others, the transmitting distance also can reach 300ft. Sensor unit is powered with two AAA batteries (not included), ultra-low power consumption, no need for frequent replacement, save your time and effect
• ALARM FUNCTION: When the mailbox door is opened, the receiver in the house will buzz 10 times, and a red LED light will flash. Allows for volume control and reset of alarm
• SAFE PROTECTION & EASY INSTALLATION: The shell of mailbox alert for delivered mail use ABS+PC flame retardant material, more safe and secure. The receiver has two installation methods, use 3M adhesive tape or screw. The sensor can be installed in the mailbox door using 3M adhesive, it only takes a few minutes to install by yourself
• WIDE APPLICATION: This mailbox alarm works on all three basic types of mailboxes, i.e. curbside, wall-mounted, & slot type. It also can be used for doors, windows, pet doors or other aspects of the home alarm. Not recommended for extra-large heavy-walled mailboxes