Courtesy of @EMPIRETECANDY at Empire Technology Co., Ltd - Small Orders Online Store, Hot Selling and more on Aliexpress.com | Alibaba Group we have the Dahua IPC-HFW1831C-PIR 4k Mini Bullet to check out. I received this camera in exchange for a fair and honest review. I have had this since Monday, but the winter weather has not cooperated. > 1/2.5” 8Megapixel progressive scan CMOS > H. 265&H.264 dual-stream encoding > 15fps@8MP(3840×2160) > WDR(120dB), Day/Night(ICR), 3DNR, AWB, AGC, BLC > Multiple network monitoring: Web viewer, CMS(DSS/PSS) & DMSS > Micro SD card slot, up to 128GB > 2.8mm fixed lens > Max. IR LEDs Length 20m Image Sensor 1/2.5” 8Megapixel progressive scan CMOS Effective Pixels 3840(H) x 2160(V) RAM/ROM 512MB/32MB Scanning System Progressive Electronic Shutter Speed Auto/Manual, 1/3(4)~1/100000s Minimum Illumination 0.002Lux/F2.0( Color,1/3s,30IRE) 0.09Lux/F2.0( Color,1/30s,30IRE) 0Lux/F2.0(IR on) S/N Ratio More than 40dB IR Distance Distance up to 20m (65.6ft) IR On/Off Control Auto/ Manual IR LEDs 1 Distance up to 10m (32.8ft) White Light 2 Spec sheet: https://www.dahuasecurity.com/asset...12/DH-IPC-HFW1831C-PIR_datasheet_20181211.pdf User Manual: https://www.dahuasecurity.com/asset...8/DH-IPC-HFW1831C-PIR_QSG_V1.0.0_20181101.pdf This camera includes a PIR motion sensor, that can trip a siren and a white light. Light can flash or come on steady. You can speak from the gDMSS app to the camera. You can trip the alarm sound or the white light from gDMSS or from the webGui of the camera. Several options can be adjusted for the PIR, white light and siren activity.