• Attention-Grabbing: Extremely loud 110dB alarm helps wake/alert homeowner or renter, helps deter intruder and possibly notifies neighbors (audible up to 680-feet/205-meters away)

• User-Friendly & Versatile: 3 adjustable settings (off/alarm/chime); chime mode is ideal to alert you when children or guests are coming and going when you are at home; alarm mode features 30-second activation delay to prevent immediate false triggering, but sounds immediately when doorknob is touched anytime after the initial 30-second delay

• Portable: Compact size makes this alarm perfect for home and travel. Feel safe wherever you go - use the alarm entry doors, bedroom doors, houses, apartments, hotel rooms, or even dorm rooms

• Easy Installation & Works During Power Outages: No wiring needed (requires 3xAAA batteries, not included); simply hang the alarm on the inside of your door handle - perfect travel alarm!

• Reliable: Backed by over 45 years in the security industry and developed by the #1 pepper spray brand trusted by police and consumers worldwide. ISO 9001:2015 certified

Dimensions (Overall): 5.5 Inches (H) x .5 Inches (W) x 2.75 Inches (D)

Weight: .18 Pounds

Features: Alerts Upon Forced Entry

Assembly Details: No Assembly Required

Mount Type: No Mounting

Includes: Contact Sensor

Wireless Technology: No Wireless Technology

Compatible With: Most Door Types

Minimum Operating Temperature Fahrenheit: 24.8

Maximum Operating Temperature Fahrenheit: 104

Motion Detection Angle: 90 Degrees

Power Source: Battery

Battery: 3 AAA Alkaline, Required, Not Included