These motion sensors are perfect for Samsung SmartThings
(Android Central)

With SmartThings, you can use a motion senor to keep watch over areas of your home, allowing you to receive alerts, sound an alarm, unlock a door or even just turn on a light. Not all motion sensors are created equal however, so we`ve compiled a list that won`t give you any headaches — like our favorite option, the Ecolink Motion Detector — so you can monitor your home no matter where you are. Top Pick Ecolink Z-wave Plus Motion Detector This highly-rated detector from Ecolink offers a 5-year battery life (the best of the bunch) and flush or corner mount options. It can be set to ignore pets up to 55lbs and is the best option of quality and price. $40 at Amazon OEM Option Samsung SmartThings Motion Sensor Samsung`s own offering is also one of the cheapest on our list. With motion detection up to 15 feet and a 120-degree view range, this sensor can be set to monitor nearly any area in your home. $25 at Amazon Up Above BeSense ZWave Ceiling PIR Motion Detector...