Fair warning, some of the Dahua Camera's are quite blurry close range, so pay careful attention to the min focus distanceThis is the TIOC Pro
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EmpireTech IPC-Color4M-T 1/1.8" CMOS 4MP Smart Dual Light Active Deter
4MP 1/1.8" CMOS Built-in multi-core light, Max. IR distance is 30 m, Max. warm light distance is 30 m Intelligent monitoring: Intrusion, Tripwire Supports max. 512 G Micro SD card Built-in dual Mic Support two-way talk IP67 protection Sound and light alarm (red and blue lights) SMD 4.0empiretech01.com
As I originally suggested, it would be good for your inside corridors. 3.6mm model
2549:
2.8 mm: 1.7 m (5.58 ft)
3.6 mm: 2.6 m (8.53 ft)
3449:
Close Focus Distance | 2.8 mm: 2.0 m (6.56 ft) 3.6 mm: 3.5 m (11.48 ft) |