DS18B20 Temperature Sensor
$20
$50
HOSIDEN HLM8619
$55
$100
DHI-NVR4232-4KS2
$275
$305
Hikvision DS-2CD1141-I
$79
$85
WG240128A WG240128A-TMI-T#001 240128A 240128A REV:E LCD Panel Comes with LED backlight