Door Alarm Door Chime, Window Alarm Sensors for Home Security Kids Safety, Door Open Alarm Contact 120 dB Alert with 4 Feature Modes Burglar Anti-Theft for Child Safety/Home/Office/Apartment (2 Pack)

Wireless Window Door Open Contact Burglar Sensor Alarm: This STECHRO wireless anti-theft door alarm sensor for home security will immediately transmit a loud 120dB alarm when a door is suddenly opened. The alarm sound can alert you to your children, pets, or burglars entering or leaving in time. It is the perfect wireless security alarm for the house, child safety, burglary, garage, office, pool, and apartment.
4 Alarm Modes: #1 Ordinary alarm mode (Alarm will last for 1 minute if your door is being open); #2 Wireless Door chime mode (“Ding dong”, rings once as a welcome tone ); #3 Alarm and Stop mode (It will alarm loudly if the door is open, and it will stop as soon as your door is closed); #4 Door closing reminder mode (“Di Di”, from low to high, it will remind you by repeated sound until the door is closed).
120-Decibel Loud Door Sensor Alarm: Fast automatic switch. Sound is instantly without any delay. The burglar alarm will alert you that someone has entered your home without permission when a door or window is opened. If there was an intruder while asleep and it would definitely wake you up.
Easy to Install: This door and window house sensor alarm security kit come with self adhesive pads so no tools are required, just had to stick the door alarm sensor on the door. It can also be used as a doorstop alarm, pool door alarm, garage door alarm or sliding door alarm. It’s powered by 2*AAA battery (Not included).
High Quality and Low Energy Consumption – The window battery operated alarm sensor uses high-quality ABS material, which is resistant to dirt and dust. It adopts the most advanced optimized circuit chip so that the battery consumes less power and continues to use.