Specification BatteriesIncluded : 1 Brand : SEIWEI BulletPoint1 : 【High Quality Material】The alarm is made of high quality ABS resin material with smooth surface and durable. BulletPoint2 : 【High decibel alarm】The alarm sound above 120Bb, when the host and the magnetic strip are more than 10mm away, the alarm will be issued. The host is attached to the door frame, and the door will alarm when the door is opened. When the alarm is not allowed, the switch on the host can be pushed to off. BulletPoint3 : 【Ultra-thin design】Ultra-thin design, small and beautiful, can be installed on any doors and windows, respond quickly and never falsely report. BulletPoint4 : 【Easy to install】The back of the alarm comes with double-sided tape, which is quick and easy to install, firm and not easy to fall off. BulletPoint5 : 【Scope of application】The alarm is suitable for doors, windows, drawers, supermarket freezers, filing cabinets, etc. When an illegal intruder invades and the magnetic box is separated, it will immediately start the alarm and warn the host, threaten the intruder to leave, and effectively protect your personal property and safety. Color : 2 Pack ItemName : Door Window Alarm Home Security Magnetic Sensor Burglar Anti-Theft Alarm with Batteries Included - DIY Easy to Install ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : home-security-systems Manufacturer : SEIWEI Material : Aluminum ModelNumber : MMZ41588 NumberOfItems : 1 PartNumber : MMZ-DD01335_01-RT ProductDescription : Specification: Product Name: Burglar Alarm Product Material: ABS Resin Product Color: As Shown Product Size: As Shown Operating Voltage: 4.5 V Working Temperature: 10-50 ℃