1. Power Supply: Battery 2. Maximum Capacity: 80 dB 3. Operating Range: 6-9 meters 4. Maximum Angle: 110 degrees 5. WiFi Type: 2.4GHz 802.11b/g Application: Smart Living 80 dB sound, used to scare away intruders [4 Modes] Sound + Flash, Light Only, Sound Only, Silent Mode, suitable for different scenarios [App Remote Control] Remotely deploy defenses anytime using the mobile app [Timer ] Configurable to defenses at night, ensuring safety and a peaceful sleep. Plan your morning and retreat. [Push Notification] After setting push notifications, the app display a message when someone passes by. [Angle Adjustment] 360-degree adjustment allows you to monitor movement and inactivity in any direction. [History] You can review your perception, deployment, and deletion history. [Sharing] Share with your family for shared control. Offline: When your device goes offline, the app notify you after 30 minutes. Color: White Material: plastic Package Contents: 1 * PIR Motion Sensor (not offer 2 * AAA battery along with the shipment) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.