2 * 2700 mAh ER14505 Li-SOCl2 Batteries Battery Life: Around 5 Years (50 Triggers per Day, 25°C) Support the Sensitivity Configuration of PIR and Radar Sensors Detachable and Movable Magnetic Bracket with an Additional 30° Deflection Angle to Achieve Full Area Coverage 100% Privacy Protection, no Specific Images will be Captured Support Customized Hibernation Periods to Achieve Flexible Control and Save Battery Power Advanced Features: Milesight D2D Controller NFC and Bluetooth Enabled Technology: Millimeter Wave Radar & PIR Recognition Rate: Up to 99% Radar Detection Distance: Movement: 7.5m Slight Movement: 4.8m Detection Angle: 150° PIR Detection Area: 110 Detection Distance: Within 7m Light Status: Bright/Dim