Feature:1. APP Real Time Controlling: This infrared sound and light alarm adopts APP real time controlling, you can keep track of your home's safety through your cell phone APP at any time.2. Fresnel Optical Lens Detection Technology: This infrared sound and light alarm utilizes Fresnel optical lens detection technology to prevent false alarms from small pets.3. 110 Wide Viewing Angle: This infrared audible and visual alarm has a 110 wide viewing angle and can detect up to 9 meters of space in front of you.4. Accurate Detecting: This infrared sound and light alarm detects accurately, even in the case of strong light and large changes in light, it can also alarm accurately.5. Reflective Mirror Detection Technology: This infrared sound and light alarm uses reflective mirror detection technology, which can effectively overcome the shortcomings of the traditional detector sneaking and crawling without warning.Specification:Item Type: Wireless PIR Motion Sensor AlarmMaterial: ABSOperating Voltage: DC5V 2A or 2 x AAA Dry Battery ( Not Included )Remote Control Battery: 3V(CR2032) 220mAh Button Battery ( Built In )Static Current: 20mATransmit Current: 70mAAlarm Volume: 90db ( Within 1m )Detection Distance: Approx. 9m/29.5ft (Related to Installation Height and Environment)Detection Angle: 110Anti Pet Interference: 25KG or Less.Package List:1 x Wireless PIR Motion Sensor Alarm1 x Bracket1 x Remote Control1 x Accessory Installation Kit1 x USB Charging Cable