Check the listing for details. Hiseeu PK-4YHB785-AT PoE SYSTEM 16CH 2 WAY AUDIO 1 TB 100-240V FREE APP. Condition: New. Listed at 229.99 USD. Person Vehicle Detection] Hiseeu 4K PoE Security Camera System,8 Ports with 4Pcs 5MP IP Security Camera 16CH PoE NVR for Outdoor,Waterproof,Smart Detection/Playback,Home Surveillance Kits 1TB HDDPK-4YHB785-AT 【Real-Time 2-Way Audio & Audio Recording】We can talk directly on phone app for asking courier to put package to a certain place you point, and hear sound from app or TV monitor connected to NVR【7/24 Record +Smart PlayBack Mode at Anytime】1.Various Record Modes: ①Regular 7/24/365 ②Motion Detection. 2.Playback Modes: ①Sync Playback (4 cams at most) ②Motion Detection Playback ③ Common Playback【Intrusion/Crossing line Detection for Human/Vehicle】We can customize the surveillance area or set a line for human/vehicle, and the alarm alerts will be triggered when detecting human/vehicle crossing the line or intruding the alarm area【Intruder Alarm lights and push alerts on Free APP】We could be alerted any time a person enter your property by receiving push notification from free phone APP, and the alarm light will be triggered to drive away the suspicious objects ( Note: APP has No Monthly Fees)