WiFi + 2GGSM Smart Security Alarm System Kit Tuya-Compatible with 2.7-inch Display, PIR Motion Sensor & DoorWindow Contact 1. This is a WiFi + 2GGSM Dual-Network Smart Alarm System Kit, designed to secure homes and businesses with advanced features. The bundle includes a hub, infrared motion detector, doorwindow sensor, siren, and accessories for full-coverage security. 2. 2.7 inch Color Display & Intuitive Operation: Equipped with a vivid 2.7-inch color screen and eco-friendly silicone buttons for smooth, tactile operation. Simplified menus guide users through setup and daily use. 3. Two-Way Voice Communication & Remote Control: Makereceive calls, leave voice messages, and send SMS commands remotely. Stay connected to your property anytime, anywhere. 4. 8-Hour Backup Battery & Power Failure Protection: Built-in 1000mAh lithium battery ensures uninterrupted operation for up to 8 hours during outages. 5. Smart Home Integration & Expandable Security: Supports up to 100 detectors (e.g., infrared motion, doorwindow, smoke) for comprehensive coverage. Link with the Tuya app for remote armingdisarming, alerts, and activity logs. 6. Flexible Automation & Wireless Control: Program timed armdisarm schedules or use included wireless remotes for instant modes: Away, Home, Emergency, or Disarm. Technical parameters: 1. Input voltage: DC5V 2. Working current: less than 100mA when the screen is off, less than 200mA when the screen is on 3. Standby current: less than 55mA 4. Alarm current: less than 600mA 5. Wireless frequency: 433MHz (other frequencies can be customized) 6. GSM frequency band: 85090018001900MHz 7. Backup battery: 3.7V1000mAh lithium battery 8. Siren loudness: greater than 100dB (1 meter distance) 9. Wireless distance: less than or equal to 100 meters Package Contents Alarm Host ×1 Infrared Motion Detector ×1 DoorWindow Sensor ×1 Siren ×1 Remote Controller ×2 Charging Cable ×1 Power Adapter ×1