Milesight IoT Desk & Seat Occupancy Sensor, VS341-868M - 221698

1 * 4000 mAh ER18505 Li-SOCl2 Replaceable Battery Battery Life: Around 4 Years (100 Triggers per Day, 25°C) High Precision PIR Sensor + Thermopile IR Temperature Sensor Ultra-low Latency Adjustable Detection Angle Optimal Desk / Seat Guidance Advanced Features: Milesight D2D Controller NFC Enabled IP30 Rated Technology: PIR &amp Thermopile Recognition Rate: Up to 98% PIR Detection Area: 107 ° Horizontal, 107 ° Vertical Detection Distance: Within 1m