Hikvision 4K Hybrid Light ColorVu Camera 2-Way Audio DS-2CD2387G2H-LISU/SL Black
IR Wavelength 850 nm. Illumination Color: 0.0008 Lux @ (F1.0, AGC ON),0 Lux with light. Active strobe light and audio alarm to warn intruders off. Audio and alarm interface available. Smart Hybrid Light: advanced technology with long range.