SNZB-03P:Compared with SNZB-03, SNZB-03P has improved performance, with detection duration as short as 5 seconds, smart environment light detection, and 3 years battery life.【5-Sec Faster Detection】 Automatically 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 Life】 Powered by CR2477 battery extends the battery life to over 3 years, eliminating concerns about frequent battery replacements. 【Zigbee 3.0 Compatible】 Supports 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 2nd… 【Local Smart Scene】 Even if your WiFi network crashes, you can still activate Zigbee local scenes as long as your Zigbee devices are powered on. 【Home Security】 SNZB-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.                                 SNZB-03P is a low-power motion sensor based on Zigbee3.0 protocol. Supports smart scenes to link with other smart devices, making it easy to turn on lights when people come and turn them off when people leave in places such as corridors, entrances, stairs... Compared with SNZB-03, SNZB-03P has improved performance, with detection duration as short as 5 seconds, smart environment light detection, and 3 years battery life. With local scene intelligent linkage, you can still activate Zigbee local scenes as long as your Zigbee devices are powered on even if the network is disconnected. Low latency, higher reliability. SONOFF SNZB-03P is compatible with multiple Zigbee hubs, such as SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, SONOFF ZBDongle-P and Echo Plus 2nd...expanding the possibilities for your home automation system. SNZB-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. Efficient auto-trigger responses and notification settings ensure the safety of your family and property.