Description
Product Feature: 108 dB Loud Alarm 4 Feature Modes — Time Delay, General Alarm, Constant Alarm, Doorbell, easy set the appropriate mode according to your need. Wireless Alarm Battery Operated, it need two AAA alkaline batteries ( not included ). Low Consumption Design, they can work for over 2 years. Low Battery Warning, when it need replace batteries, the LED light will flash once every second. Self-Adhesive, easy to install and operate. Product Size: 3.4*1.7*0.6 inch How to install ? Step 1. Stick the alarm and sensor separately to each sides of the door/window. Step 2. Please pay attention to the Alignment Marks and make sure to keep their horizontal distance less than 10mm. Package Including: 2* Freezer Alarm 2* Magnetic Stripe