Portable Motion Sensor Alarm And Entrance Alert Chime With 90dB Siren Sound Portable Motion Sensor Alarm And Entrance Alert Chime With 90dB Siren Sound This compact motion sensor will detect anyone who attempts to enter the protected area. A loud 90 db alarm siren will sound off to scare the intruder away and alert others to pay attention to the motion detected event. It is in portable size and suitable for home, office, patio, hotel room, retail store or travel use. It can be fixated on the wall or simply put it on the desk or hand carry it. This motion sensor alarm is powered by AAA batteries or using AC power adapter. This device can also be used as a door window entrance alert chime for retail stores, office or warehouse area. This motion alarm can also be used in show room or reception area for notifying the personnel for greeting visitors in the needed area. Or users may set it up at camp site as the watchdog for all purposes. Portable Personal Alarm The motion-activated alarm is great to be used at home for nursing care such as alerting parents if young children wander off into an area that might be hazardous such as a hot BBQ table, pool area or other potentially dangerous location. Users may also aim this motion alarm to driveway, front/back door, windows and patio doors for extra home security. All other suitable applications including: Home alarm Restricted area Monitoring surrounding areas Travel protection Visitors greeting Camping 3 Operation Modes This motion alarm unit has a mode switch for selecting between 3 different operation mode as needed: Alarm Mode: The alarm siren will sound off for 15 seconds with flashing red light once movement is detected but the siren sound volume can not be adjusted in this mode. Voice Mode: This motion alarm will play "dingdong ,hello, welcome" in human voice with flashing red light. The volume can be adjusted to desired level. Music Mode: It will be playing the selected one out of the 32 songs programmed into the alarm. Users can adjust the volume level using the volume button. Dual Power Supply Choice This indoor motion sensor alarm can be powered by 3 AAA batteries or powered directly through using a AC power adapter with DC output between 9V and 15V as well. [Note]: No batteries or AC power adapter included in the package. Desktop Use Or Wall Mounted This motion alarm can be fixated on the wall horizontally or vertically or simply put on the desk or hand carry for mobile use. Wide Detection Range Its infrared detection range for horizontal angle is 110 degree with 20 ft in vertical range. All-purpose motion alarm and entrance alert chime with sensitive motion sensor and easy for indoor installation. Compact, portable, and easy to use as a portable protection for personal and home alarm use. Also used as a door window entrance alert chime for retail stores and businesses. Can be fixated on the wall or simply put on the desk or hand carry. Supports 3 operation modes including alarm mode, voice mode and music mode: Alarm Mode: The alarm siren will sound off for 15 seconds with flashing red light once movement is detected. Voice Mode: play greeting in human voice with flashing red light. Music Mode: play a selected one out of the 32 songs programmed into the alarm. Wide detection angle of 110-degree and maximum detection range is 20 feet. Featured with loud 90-dB siren sound when motion is detected within the covered area. Swivel bracket for adjustable detection angle. Flashing alarm LED indicator built in for when movement detected. Powered by 3 AAA batteries or powered directly through using a AC power adapter with DC output between 9V and 15V as well. Low power consumption design for long lasting operation. Vertical Detection Range: 20 feet Horizontal Detection Angle: 110 degrees from left to right Power Supply: AAA battery x 2 or using AC power adapter with DC output between 9V and 15V(power adapter and batteries not included) Installation Height: 5 to 8 feet (1.5m-2.5m) Siren Sound: 90 dB Operating Temperature: -10 ~ 50 degree for indoor use only.