Alarm Smart Door/Window Sensor Detectors work With Alexa and Google Home

Alarm Smart Door/Window Sensor Detectors work With Alexa and Google Home Communication method: Wi-Fi Certification: CE Model Number: WiFi Smart Door Window Sensor Color: White Battery Model: AAA 1.5V Working Voltage: DC3V (2 x 1.5V battery) Wi-Fi: IEEE 802.11 b 2.4GHZ Quiescent current: ≤40 μA Material: PC V0 Product Name: SONOFF DW2-WiFi / DW2-RF Wireless Door/Window Sensor APP: eWelink Voice Control: Work With Amazon Alexa / Google Home Smart home platform: Google Assistant smart home: Sonoff DW2-RF Door Window Sensor smart home gadgets: SONOFF DW2 Wifi door window sensor Real-time notification: Via eWelink APP Notify you when the door/window is opened Ewelink App: Support to check history record on APP Manufaturer: SONOFF Original Factory Shipment: Free Shipping Support Retail: Support Drop Shipping Support Wholesale: Support Fast Shipping Feature 1: Keep linkage with SONOFF smart devices to create various smart scene Feature 2: Sonoff DW2-WiFi Version No Gateway Required Feature 3: Support Bluetooth low energy pairing Feature 4: Battery-level display and low-battery reminder Feature 5: Low-power Wi-Fi transmission for more lasting work time Feature 6: Sonoff Smart home appliance Feature 7: Sonoff Smart technology Feature 8: SW2-RF needs to be used with SONOFF RF Bridge R2 Any Problems: Please contact us first, thank you!   SONOFF DW2 WiFi/ DW2-RF Smart Door Window Sensor Door Open/Closed Detectors eWeLink App Notification Smart Home Alarm Work With Alexa Google Home   Description: Keep linkage with SONOFF smart devices to create various smart scene Turn on/off your light with an action Notify you when the door/window is opened Check the opening and closing status of door/window on APP Battery-level display and low-battery reminder Allow sharing the sensor with your family to monitor and control of your home No gateway required Bluetooth low energy pairing Support to check history record on APP Low-power Wi-Fi transmission for more lasting work time Peel and stick installation, quick to use Download Center User Manual   Specifications: Specification of SONOFF DW2 Battery Model: AAA 1.5V; Working Voltage: DC3V (2 x 1.5V battery); Quiescent current: ≤ 40 μA; Wi-Fi: IEEE 802.11 b 2.4GHZ; Material: PC V0; Package Included: 1 x Door And Window Sensor Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback,if the products have some problems. Thanks for your understandings.