Wireless Door and Window Alarm - DIY Home Security System with Magnetic Sensor, Easy Installation for Burglar Alert | Ideal for Apartments, Houses & Offices | Protect Against Break-Ins & Unauthorized Entry

Description: This door & window alarm adopts the latest technology, it can be triggered as soon as the doors or windows are opened without informed. It is a good choice to keep yourself and your property safe. Nothing is more important than life. You are deserved this. Specification: Condition: 100% Brand New Material: Plastic Color: White Battery: 2 * AAA battery(not included) Alarm Unit: Approx. 3.1 * 9.1 * 1.9cm / 1.2 * 3.6 * 0.7inch Magnetic Sensor: Approx. 1.4 * 5cm / 0.6 * 2.0inch Package Weight: Approx. 37g Package Included: 1 x Alarm Unit (Battery not included) 1 x Magnetic Sensor

Home burglar alert is ideal entry warning for homes, apartments, mobile homes, offices, hotel rooms, garages, and more.It can prevent kids and babies going out the house without notice. Protect your house from thiefs break in your house's windows and doors.

Antitheft systems has super loud alarm. Super environmental suitability and stability.Super loud 90 dB alarm. When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm, warning the intruder to leave and remind the owner.

Door and window alarm has a convenient ON/OFF switch, so you can set the alarm to OFF when you do.

Magnetic sensor switch detects entry, protecting your home or office whether you are in or out.

Door burglar alert is easily mounted by adhesive tapes,no other tools are needed, easy and quick installatiion.Easy stick installation and operation, press on/off switch to power on/off then insert 2 PCS AAA battery (battery do not contain in the box),tear the double-sided adhesive on the backpack, paste the door knob alarm on your target position.