Whether you are home or away, this motion sensor will send push notifications to alert you when motion is detected. 24/7 monitoring - receive instant alerts when there is unexpected movement in your home Detects motion up to 4.5m with a 100° Horizontal and 90° vertical detection angle Easy Installation: Simply mount to wall or ceiling with the magnetic mount, no gateway product required connects via Wi-Fi and SmartKnight app. Low power consumption: Uses ultra-low-power MCU and Wi-Fi module with a range of up to 40m (dependent on environment) Automate: Set devices to automatically turn on or off if motion is detected, such as a light Wi-Fi Connectivity IEEE 802 11 b/g/n (2.4Ghz only) if you have a Dual Band system simply disable the 5Ghz frequency in your Wi-Fi Router* during set up and then enable again once set up is complete Low battery alert - never forget to change the battery Battery type: 2 x DC 3V AAA batteries included Battery Life: 1 year (if activated 20 times a day) *check your router manual on how to do this or contact your ISP Technical Specification: Projection (mm): 30 Construction: Polycarbonate Finish: White IP Rating: IP20 Dimensions: Height: 64mm Weight: 0.099Kg Warranty: 2 Years excluding battery