AKA- 21 Motion Sensor uses a passive infrared sensor to detect infrared signals from human body radiation. This device can alert slight movement in a perimeter and will send alert to the panel.

• Voltage: 3 V DC
• Working Temperature: -10 to +50 deg centigrade
• Emission distance:80m (Open space distance)
• Detecting Angle: 110 deg
• Detection range: 8m to 12m
• Low power consumption
• Low voltage alert function
• Anti-high frequency interference