SONOFF DW2 Wi-Fi is a wireless smart door and window sensor designed to monitor open and close status in real time and send instant alerts through the eWeLink app. This product connects directly over 2.4GHz Wi-Fi without requiring a separate gateway, making it a practical solution for smart home security, entry monitoring, and automation scenarios.

Key Features

• Direct Wi-Fi connection with no gateway required
• Real-time door and window status monitoring through the eWeLink app
• Instant app notifications when the sensor status changes
• Low battery alert to help maintain uninterrupted monitoring
• History log support with up to 3 months of saved records in the app
• Camera linkage support for visual activity confirmation
• Quick and simple adhesive installation on door frames, window sills, and similar surfaces
• Suitable for smart home automation such as lighting control, alarms, and action triggers based on door or window activity

Technical Specifications

• Model: DW2 Wi-Fi
• Product Type: Wireless door/window sensor
• Connectivity: Wi-Fi 2.4GHz
• App Support: eWeLink
• Gateway Requirement: Not required
• Function: Door and window open/close detection
• Notifications: Real-time alerts and low battery notifications
• Log Storage: Up to 3 months in app
• Installation Method: Adhesive mounting
• Power Source: Battery operated
• Battery: 2xAAA 1.5V (Not included)