Door Window Alarm, Home Security Wireless Magnetic Sensor Burglar Anti-Theft Alarm - DIY Easy to Install (Home Alarm (10 PCS))

Description

Color:Home Alarm (10 pcs) Operating Instructions:Convenience in installation--just peel and stick The sticker is supplied free in package Operated by 3pcs of 1. 5V LR44 / AG 13 button cell ( included )  1. Use the double-side adhesive tape to fix the main unit at the side of the door/window. Attach the bar magnet to door frame/window frame with the arrow aligning with the refernce line of the main unit. 2. Test the setup by switching the system's switch to "ON" position of the main unit and see whether the alarm can be triggered by opening the door/window. Specifications Sensor type: Window Door Alarm Alarm type: Sound Material: Plastic Color: WhiteSize: 2.5 x 1.3 x 0.8 inch Package Included:  10 x Magnetic Sensor  10 x Magnetic Stick  30 x LR44 Button Battery