Smart Wireless Eyeball Shape PIR SensorSmart Wi-Fi PIR Sensor, which works in one small battery (included) that can last for approx a year. Very Small in eye ball design. Get notifications on your smartphone as soon as door sensor is triggered. Supports Wi-Fi network (2.4G only) fast connection, easy installation in a few secondsWi-Fi Universal Remote Control with Advanced and remote motion detectionAuto-set scenes, customize as per your requirement, Free to download ENERJSMART APP for iOS Android systemCompact design to save your spaceWorks with IFTTT. Combine other ENER-J products with this product and make your home a complete smart oneTechnical Specifications:It supports Bluetooth: V4.1 and above.It is IPX4 Waterproof.It can be connected with 2 devices.It has CVC 6.0 noise reduction.It charges fast and has play time up to 4 hours.It comes with a power display and inbuilt Mic.It has auto connect features and has automatic sleep feature.Product Size: 36*5*2.5cmEva box Size: 11*6.5*3.