This product is either discontinued or we cannot get that from suppliers.
Starlight, 120dB true WDR, 3DNR, 3.6mm fixed lens (2.8mm, 6mm optional), Max. IR length 50m, Smart IR
Dahua DH-HAC-HDW2501TP-A-0280B Pro Series 5MP Starlight (0.005 Lux Colour) HDCVI IR (50m) 120dB True-WDR Weatherproof Eyeball Turret Dome Camera with 2.8mm Fixed Lens, with built-in Mic