Support anti-masking detection.? Support moving detection to prevent someone move or detach device.? Support the installation of camera modules to form PIR-Cam to implement video verification.? Pet immunity: up to 80 cm, 40kg.? Support environment temperature monitoring.? Supports two-way communication and frequency hopping to make communication with alarm hub stable and reliable.? Features cloud update. You can also remotely update the device on the mobile app.? Offers a dual backup system, and uses auto recovery when an update fails.