Great for small shops, offices, homes! Use either chime alert or siren.  80db chime for normal everyday use. Detects intruders and sounds built-in alarm.  Or automatically announces customers/visitors with chime sound.  Mount on wall or place anywhere in a room, set chime/alarm switch, and then enter code to arm unit.

• 105 db Siren sounds when motion in room is detected or when
  door/window is opened.
• 80 db Chime, when chime is selected
• Changeable code keypad to arm and disarm
• Powerful 105 dB siren.
• Detects motion up to 40 feet away within a 110 degree area.
• Portable or wall mount - no wiring needed, great for travel.
• Changeable code for added security.
• Total Security! And only you know the code. Like professional systems, this unit uses a changeable code to arm and disarm the alarm. You and others you trust know the numbers - no one else.
• Automatic reset after activation.
• Entrance chime alerts you to visitors in small shops, offices.
• Alarm operates on three AA batteries  (not included).  No wiring needed.   Secured battery compartment for added safety.
• Free-standing on table or shelf, or mounts on wall in minutes.
• Portable - Great for travel.
• 30-second exit and 10 second entry delays.
• Low battery indicator

Specs:

• Detection Method:  Passive Infrared heat and motion detection
• Power Supply:  Three AA batteries (not included), or 7.5V - 15V plug in adapter (not included)
• Detection Angle:  110 degrees
• Detection Range:  40 feet
• Built-in Alarm:  105dB siren
• Built-in Chime:  80 dB
• Entrance delay time:  10 seconds, Exit delay time: 30 seconds
• Alarming Time:  Continuous while motion is detected; 1 minute after no motion is detected.
• Warranty:  1 Year