BroadLink S1 Alarm Security System accessories: motion sensor, need to cooperate with BroadLink S1 host (www.dx.com/p/broadlink-s1-smartone-kit-alarm-security-system-door-motion-sensor-sos-remote-for-ios-android-phone-406093#.VndLIlKY9LE), it doesn't work alone. After the motion sensor is triggered, which can remotely alarm through smart phone APP, and Linkage control other household electrical appliances such as lamp, air conditioning, Air purifier, and so on.

FAQ
Q1. Does it need to work with a specific gateway/controller? No. Benefited by Wi-Fi technology, BroadLink products will link to your home Wi-Fi router to work Users do not need to purchase a specific gateway this saves your cost and makes the device workable in anywhere.
Q2. How to download the e-Control APP? For iOS, please search e-Control in App Store. For Android phones, please search e-Control in Google Play or visit www.broadlink.com.cn on your Android phone and tap Download APP to download and install e-Control* You can also scan the barcode on package or manual to download the APP (for both iOS and Android). * Your phone settings must be set to Allow installation of apps from unknown sources.
Q3. How to protect my device and avoid being searched by others? Only the person who knows your Wi-Fi password and connect to the same Wi-Fi is able to search the device. We also offer an enhanced security that you can lock the device in e-Control APP so new users will unable to find the device.
Q4. Can I control BroadLink devices when I am away from home? Yes. All BroadLink devices will be automatically linked to the Internet if your home Wi-Fi router has Internet access. You can control the devices from anywhere at any time from your phone via Internet.
Q5. Will the device settings lost when my phone has no network connection or it is powered off? No. All action settings are saved in the device permanently unless you reset the device. Once the settings are done, the devices can work independently without the APP running on phone. Why BroadLink? BroadLink is China's leading Wi-Fi smart home solution provider with products including smart plug, universal remote, light switch, air quality sensor, air purifier, Wi-Fi speaker, etc. Our advantages are: + Invested by Chinas largest B2C online store JD.com (NASDAQ: JD) and Chinas leading Internet security company Qihu 360 (NYSE: QIHU). + Out-of-the-box service with one-click configuration and kit package. + 24*7H ultra reliability proven by 300, 000, 000+ BroadLink and partner units running. + Powerful but FREE cloud service enabling control from anywhere. + Industrial first IFTTT style easy-to-use interaction configuration. + Support 315/433Mhz, ZigBee and Bluetooth connection + CE, ETL, GS & FCC certified product quality.