Milesight IoT Passage People Counter Sensor, VS350-868M - 221681

2 * 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries Battery Life: Around 4 Years (10min Interval, 25°C, 1000 People per Day ) Bi-directional People Counting with Dual PIR Sensors Built-in Temperature Sensor 100% Anonymity and GDPR-compliant Advanced Features: Milesight D2D Controller NFC Enabled IP30 Rated Technology: Dual PIR Detection Range: Ceiling Mount: Passage Width = 2.8 m (At the Height of 3m) Wall Mount: Passage Width &lt 3.8 m Installation Height: Ceiling Mount: = 3.0m Wall Mount: 1.2m~1.3m