----------------------------
- CPU: Intel Core i5-10400 
- OS: Windows 10 Pro License
- RAM: 8GB DDR4 
- Storage: 256GB SSD M.2
- Graphic: Intel® UHD Graphics
- Display: 21.5'' FHD None TouchScreen
- Webcam: HD 720p
- Wireless: 802.11AX, Bluetooth 5.0
- Network (RJ45): 100/100/1000
- Optical Thai Keyboard and Mouse
- Warranty: 3 years

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- CPU:  Intel® Core i7-4785T
- OS: Windows 8.1 Home SL License
- RAM: 16GB DDR3L
- Storage: 500GB SATA (7200rpm)
- Graphic:  Intel® HD Graphics 4600
- Display: 23'' FHD None Touch Screen
- Webcam: YES
- Wireless: 802.11abgn & Bluetooth
- Network (RJ45): 100/100/1000
- Optical Keyboard and Mouse
- Warranty: 1years

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- CPU: 12th Gen Intel Core i7-12700
- OS: DOS
- RAM: 8GB DDR4 (3200MHz)
- Storage: 1TB SATA
- Graphic: Intel® UHD Graphics
- Optical Drive: None
- Network (RJ45): 10/100/1000
- Wireless: IEEE 802.11axBluetooth 5
- Warranty: 3years

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-Projection Technology: DLP
-Native Resolution: 1024 x 768 (XGA)
-Brightness: 4,000 ANSI Lumens
-Lamp Life: 6,000 Hours
-Contract Ratio: 20,000:1
-Screen size: 30 inch to 300 inch
-Built-In Speaker: 3W
-Weight: 2.8Kg
-Warranty: 3year

----------------------------
-Projection Technology: DLP (3D)
-Native Resolution: 1280 x 800 (WXGA)
-Brightness: 4,500 ANSI Lumens
-Lamp Life: N/A
-Contract Ratio: 20,000:1
-Screen size: 68.58 cm - 762 cm
-Built-In Speaker: 10 W
-Weight: 2.7Kg
-Warranty: 2 years

----------------------------
-Viewable Size: 27"
-Resolution: FHD (1920 x 1080) (75Hz)
-Panel Technology: IPS
-Brightness: 250 cd/m²
-Contrast Ratio: 100,000,000:1
-Speaker: N/A
-Adjustability: Height
-Port: 1x VGA, 1x HDMI
-Cable inbox: 1x HDMI Cable
-Warranty: 3 Years

----------------------------
-Viewable Size:  21.5"
-Resolution: FHD(1920 x 1080)(75Hz)
-Panel Technology: IPS 
-Brightness: 250 cd/m²
-Contrast Ratio: 1000:1 / 1000:1
-Speaker: N/A
-Adjust ability: tilt
-Port: 1x VGA, 1x HDMI
-Cable inbox: 1x VGA Cable
-Warranty: 3 Years

---------------------------
- CPU: 13th Gen Intel® Core™ i5-13400
- OS: DOS
- RAM: 8GB DDR4 (3200Mhz)
- Storage: SSD512GB
- Graphic: Intel UHD Graphics
- Optical Drive: DVD-RW
- Network (RJ45): 10/100/1000
- Wireless: 802.11ax + Bluetooth5.0
- Warranty: 3years