General description The WiFi Smart Door Magnetic Sensor is designed to enhance home security by providing real-time alerts for door and window openings. This compact device is compatible with smart home systems, allowing for voice control through Google Home and Alexa, making it a convenient addition to any home, shop, or office. Technical specifications Product dimensions: 70 x 20 x 16 mm Battery type: AAA1 Current: 5 AU WiFi type: 2.4 GHz Distance: 45 m Standby time: 5-6 months Agreement: IEEE802.11b/g/n Usage Mobile APP remote notification for door and window status Check door sensor opening history via the application Supports voice commands through Amazon Alexa and Google Assistant Features alarm management and power display Portable mini size for easy installation Other information Contents: 1 door sensor, 1 instruction manual (English language not guaranteed)