Wireless Safety Guard Alarm

TECHKO's Safety Guard alarm is both simple and effective. No tools or mounting required. Just hang from your doorknob or an object, the alarm will detect vibration from movement. Requires three 1.5-Volt AAA batteries (not included), contains 1 Safety Guard Alarm.. Color Family: Gray. Connectivity: Wired (Cable Network Transmission). Decibel Rating (dB): 115 dB. Features: Audio Alert,Indicator Light. Included: No Additional Items Included. Indoor/Outdoor: Indoor. Pack Size: 1. Power Source: Battery Operated. Product Weight (lb.): .15 lb. Sensor Location: Door. Sensor Recognition: Motion. Sensor Technology: Magnetic. Transmission Range (ft.): 100 ft. Certifications and Listings: No Certifications or Listings. Product Depth (in.): .71 in. Product Height (in.): 7.09 in. Product Width (in.): 2.05 in. Transmission Range (ft.): 100 ft. Features: Audio Alert. Features: Indicator Light. Indoor/Outdoor: Indoor. Power Source: Battery Operated. Sensor Location: Door. Sensor Recognition: Motion