New optimized Handler for SmartThings HUB. Easy setup, Zwave alliance. Zwave Plus , Anti-tamper alarm, Real- time Battery power level monitoring, Lower consumption (3 years battery working life). Pet forgiveness allows for three different modes controlled by internal jumper. 360 Degree Occupancy Sensor - Motion detector- The batteries can be replaced. The batteries can be replaced, 2 AA Alkaline batteries included.