Specifications:

• Type2: home security alarm sensor
• Type1: home security Door Alarm sensor detector
• Quantity: 4pcs
• Package: retail package
• Model Number: Window Door Alarm
• Function: for Warning Burglars Intruders
• Brand Name: DOBERMAN SECURITY
• Battery: 2xAAA batteries (not included in the package)
• Application: Door Windows
• Alarm Sound: around 100dB