OD, Length, Articulation, Bending angle, Model:

4.5mm, 1meter, 2-way, 170, TP1000AS451
5.5mm, 1~3meter, 2-way, 120~170, TP1000-AS551

Insertion Tube & Light Source Specs:
1. Image Sensor: CMOS Image Sensor
2. Resolution (Dynamic / Static): 320(H)*240(V) / 640(H)*480(V)
3. Size Tip (Insertion Tube) Diameter: 5.0mm (0.196")
4. Insertion Tube Length: 1M-30M
5. Frame Rate: -30 fps
6. S/N Ratio: 42dB
7. Exposure: Automatic
8. White Balance: Fix
9. Field of View (FOV): 91°
10. Depth of Field (DOF): 1.5cm~10cm
11. Light Source: 6 White LEDs.

System Specs:
1. Power: DC5V
2. Display: 3.5"TFT LCD Monitor 320*240 Pixels
3. Interface: Mini USB 1.1/ AV out/ AV in/
4. Battery: Rechargeable Li-Polymer Battery (3.7V)
5. Video Out Format: NTSC & PAL
6. Recording Medium: SD card (capacity can be up to 2G)
7. Compression Format: MPEG4
8. Still Image Storage Format: JPEG (640*480)
9. Video Recording Format: ASF (320*240)
10. Language: English.

Function:
Quick Video Recording
Quick Snap
Quick Review
AV Out
Video Viewer.