-Parking monitoring: Up to 48Hrs
-Front: 1080P@720p
-Rear: 1080P@720p
-Max. Resolution: 1080P@720p
-Video Compression: none
-Storage: TF card, up to 128 GB
-Power-off Memory: Yes
-Built-in Microphone: YES
-Built-in Speaker: YES
-GPS: YES
-Wi-Fi: NO
-Image format: JPEG
-Support mobile APP connection
-Camera Weight: 342g (0.75 lb.)

-Parking monitoring: Up to 48Hrs 
-Front: 1440P@30fps, 1080P@30fp
-Rear: 1080P@25fps
-Max. Resolution: 1440P@30fps
-Video Compression: H.265
-Storage: TF card, 16GB to 128 GB
-Power-off Memory: Yes
-Built-in Microphone: YES
-Built-in Speaker: YES
-GPS: NO
-Wi-Fi: 2.4G
-Image format: JPEG
-Support mobile APP connection
-Camera Weight: 110g (0.24 lb)

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-Projection Technology: 3LCD
-Native Resolution: 1024 x 768 (XGA)
-Brightness:  4,600 Lumen
-Lamp life: 10,000Hrs
-Contract Ratio: 16,000:1
-Screen size: 30 - 300 inch
-Built-In Speaker: 16W Monaural
-Weight: 3.3 kg
-Warranty: 3years

----------------------------
-Projection Technology: LCD
-Native Resolution: 1280x800 (WXGA)
-Brightness: 4,000 ANSI Lumens
-Lamp life: 10,000Hrs
-Contract Ratio:  16,000:1 
-Screen size: 30'' to 300''
-Built-In Speaker: 16W Monaural
-Weight: 3.3kg
-Warranty: 3years

----------------------------
-Projection Technology: 3LCD
-Native Resolution: 1024 x 768(XGA)
-Brightness: 4,600 ANSI Lumens
-Lamp life: 10,000Hrs
-Contract Ratio: 16,000:1
-Screen size: 30'' to 300''
-Built-In Speaker: 16W Monaural
-Weight: 3.4kg
-Warranty: 3years

----------------------------
-Projection Technology: 3LCD
-Native Resolution:  1280x800 (WXGA)
-Brightness:  4,300 ANSI Lumens
-Lamp life: 10,000Hrs
-Contract Ratio: 16,000:1
-Screen size: 30'' to 300''
-Built-In Speaker: 16W Monaural
-Weight: 3.3 kg
-Warranty: 3years

----------------------------
-Projection Technology: LCD
-Native Resolution: 1024 x 768 (XGA)
-Brightness: 5,000 ANSI Lumens
-Light source: 20,000Hr (laser diode)
-Contract Ratio: 20,000:1
-Screen size: 25 - 300 inch
-Built-In Speaker: 16W Monaural
-Weight: 9.3 kg
-Warranty: 1year

----------------------------
- CPU: Intel® Core™ i3-7100
- OS: DOS (No Operating System)
- RAM: 4GB DDR4 (2400Mhz)
- Storage: 1TB (7200rpm)
- Graphic: Intel UHD Graphics
- Display: 19.5 HD+ None touch 
- Webcam: HD 720p
- Wireless: AC3165 & Bluetooth 5.1
- Network (RJ45): 100/100/1000
- Optical Keyboard and Mouse
- Warranty: 3years