Alarm parameters: 1. Power input: DC 5V 2A. 2. WiFi standard: IEEE 802.11b / g / n. 3. Wireless frequency: Zigbee (transmit and receive). 4. Wireless distance: greater than or equal to 100m (open distance). 5. Working environment: temperature -10-50 degrees Celsius, humidity less than 90% RH. 6. Size: 138x137.6x21.8mm. Door magnetic detector parameters: 1. Input voltage: 3V CR2450. 2. Quiescent current: less than or equal to 15 microamperes. 3. Alarm current: less than or equal to 20mA. 4. Wireless frequency: Zigbee. 5. Wireless distance: greater than or equal to 150mm (open distance). 6. Working environment: temperature -10-50 degrees Celsius, humidity less than 80% RH. Infrared detector parameters: 1. Input voltage: 3V CR123A. 2. Quiescent current: less than or equal to 35 microamps. 3. Alarm current: less than or equal to 35mA. 4. Wireless frequency: Zigbee. 5. Wireless distance: greater than or equal to 150mm (open distance). 6. Detection distance: 8m / 110 degrees. 7. Working environment: temperature -10-50 degrees Celsius, humidity less than 80% RH. Remote control parameters: 1. Input voltage: 3V CR2450. 2. Quiescent current: less than or equal to 15 microamperes. 3. Alarm current: less than or equal to 10mA. 4. Wireless frequency: Zigbee. 5. Wireless distance: greater than or equal to 100mm (open distance). 6. Working environment: temperature -10-50 degrees Celsius, humidity less than 80% RH. Intelligent siren parameters: 1. Input voltage: DC 5V / 2A. 2. Alarm mode: sound and light alarm. 3. Wireless frequency: Zigbee. 4. Quiescent current: less than or equal to 40mA. 5. Alarm current: less than or equal to 300mA. 6. Wireless distance: greater than or equal to 150mm (open distance). 7. Built-in battery: 3.7V / 300mAh. 8. Working environment: temperature -10-50 degrees Celsius, humidity less than 80% RH. 9. Sound decibel: 110dB.