Features: the motion sensor alarm offers 38 ring tones, 2 mode options (LED Flash / Sound and LED Flash) and 3 levels of volume adjustment (High / Medium / Low) of 25-80 dB for you to choose.
The working range is up to 70 meters (230 feet) between the receiver and the transmitter in an open space. The infrared detection distance is 3-7 meters (10-23 feet).
The Home Security Alarm has a state-of-the-art passive infrared (PIR) sensor. It can detect any movement within the range of detection to warn the arrival and departure of family members, unwanted guests or anyone visiting your home or business.
There are no cables to run, no installation problems, the sensor can be mounted on the wall. The portable wireless receiver connects to any standard power outlet. You only need to place the 3 AAA batteries (not included).
The wireless doorbell can be installed on front doors, window frames, driveways, walking paths and anywhere in your home where you want to be notified of movement. It can also be used successfully in your home, store, office, hotel or other buildings.