5-Sec Faster DetectionAutomatically turn the lights on immediately when you pass by, and turn off the light after you leave, the shortest time can reach 5 seconds, helping you save energy.3-Year Battery LifePowered by CR2477 battery extends the battery life to over 3 years, eliminating concerns about frequent battery replacements.Zigbee 3.0 CompatibleSupports Zigbee hubs using the Zigbee 3.0 protocol, such as SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, and Echo Plus 2ndLocal Smart SceneEven if your WiFi network crashes, you can still activate Zigbee local scenes as long as your Zigbee devices are powered on.Home SecuritySNZB-03P can also be used for security purposes such as detecting unauthorized entry.It can trigger a camera to record a video, activate a sound alarm through the gateway, and send app notifications to alert you, and ensure the safety of your family and property.Note : SNZB-03P needs to be used with Zigbee Hub.