Zigbee Door Sensor Highly sensitive smart wireless door and window sensor sends notifications to your smartphone when a door or window opens or closes while you are away from home. Enhances home security and provides peace of mind, helping you monitor the safety of children and elderly family members and detect unauthorized entry attempts. Specifications: - Battery-powered door and window sensor: Built-in 1 CR2032 battery (non-rechargeable) - Operating life: Up to 1 year (based on 10 operations per day) - Standby current: 13 µA - Operating current: 65 mA - Maximum current: 100 mA - Note: This Zigbee door and window sensor requires a Zigbee 3.0 gateway to operate and cannot function independently. Package Includes: - 1 x Door and window sensor - 1 x User manual