DEWENWILS Wireless Home Window Door Sensor Alarm System Magnetic Sensor 4PCS

Description

DEWENWILS Door Sensor Alarm, Window Alarm for Kids Safety and Home Security, 120dB Volume Door Sensor Alarm, Chime/Off/Alarm, Anti-Theft Window Door Alarm Sensor for Room and Garage, 4 Pack
【Super Loud 120dB Volume】
Shock sensor, when door or window is opened, knocked, caused vibration and shattered, the door sensor alarm can make a 120dB loud and clear sound, helps deter intruders and alert the householder.
【3 Adjustable Settings】
Magnetic sensor, each with 3 adjustable settings, off/chime/alarm, press Chime/OFF/Alarm switch on the side to switch. The loud chime or alarm ensure kids and home security better.
【Easy to Install】
Easy to install via adhesive, tear off the double-sided tape on the backpack, stick the door alarm to the flat target position, no wiring needed, no screws needed.
【Packing with Batteries】
Includes 4 window/door alarms, each with 3x LR44 Batteries. Be sure to remove the isolation tape in the battery compartment before installing.
【Wide Application】
Ideal door alarm for kids safety, prevent children going out without notice, perfect entry warning for home, garage, apartment, dorm, office, RV and so on.
On Jan-06-21 at 19:35:20 PST, seller added the following information: