DS18B20 Temperature Sensor
$20
$50
HOSIDEN HLM8619
$55
$100
DHI-NVR4232-4KS2
$275
$305
Hikvision DS-2CD1141-I
$79
$85
AV TO VGA Converter TV RCA Composite S-Video CVBS In AV to VGA PC Mac LCD Out Converter Adapter Switch Box (VGA Cable Is Not Included)