Features:

• 90DB Alarm Sound:Door alarms go off 90dB loud sound to alert you when the window or door is open. Alarm loud enough to detect entry,prevent kids teenagers and babies from sneaking out the house,protecting your home or office whether you are in or out.
• Easy Installation:No drilling,no wiring needed!No screws needed!Easily mounted by adhesive,tape it on the window or door then all is done!(Notice:Please make sure the gap between the alarm and the magnet part is within 5mm/0.2in). Set up a simple home security system in minutes in an inexpensive way.
• Operation Instructions:Open the battery compartment and remove the plastic slip;Stick the small unit of product onto door window frame with the arrow facing left;Stick the large unit of product onto door/window within 5mm distance from the small unit with the On/Off switch facing left;Slide On/Off button to turn on the alarm and test by opening the door/window.
• Powered By Batteries:No wiring needed,powered by 3pcs 1.5V LR44 button batteries. Please replace batteries timely when in low battery in case of influencing normal alarm.
• Wide Applications:Easy installment are ideal entry warning for homes,apartments,mobile homes,offices,hotel rooms,garages,and more.

Specifications:

• ?Product Type: Magnetic Window Door Alarms
  
• Alarm Sound: 90dB
• Batteries: 3Pcs 1.5V LR44 Button Batteries (Included)
• Materials: PP Plastic
• Alarm Sensor Distance: More Than 5mm/0.2in
• Color: White
• Large Part Item Size: 3x2x6 cm/1.18 0.79 2.36inches
• Small Part Size: 5x1.3x1cm/1.97x0.52x0.4inches
• Item Weight: 28g/0.07lbs
• Package Size: 8.6x12x2.3cm/3.39x4.72x0.91inches
• Package Weight: 36g/0.08lbs

Package Lists:

• 1 x Window/Door Entry Alarm w/ Inbuilt Batteries
• 1x User Manual