Teslong NTG450H Rifle Borescope User Manual

Product Manual

The Teslong NTG450H is a rigid rifle borescope featuring a 4.5-inch high-definition color IPS display screen. It includes a 26-inch rigid camera probe with a 0.2-inch diameter, designed for easy access into .22 caliber and larger rifle barrels. A detachable side-view mirror allows users to check the wall of the rifle barrel or remove it to check the firing point. The borescope supports snapshot and recording functions, with captured photos and videos savable to a Micro-SD memory card.

⚠️ WARNING: This product is not intended for use in health care environments unless specifically designated.

Safety and Maintenance

This product is a borescope camera and is not intended for medical use or human examination.
Insert or pull out the borescope slowly and carefully to avoid damage to the camera lens or barrel.
Please do not violently hit the camera probe, and do not imprudently pull the cable.
This product is not suitable for people with limited physical, sensory or mental capabilities.
Do NOT allow children to touch or operate this device.
In case the device is damaged, do not disassemble it by yourself. Please contact the seller or the agent where you bought it to get repair service.

Functions

Device Buttons

Diagram of the borescope monitor showing numbered buttons:

① Camera probe connector.
② Snap button: Photo taking/Start video recording/End video recording.
③ Light control button: Adjusts the LED brightness of the camera.
④ Up and down selection button/rotate 180°.
⑤ Mode switch button: Switches between three function modes: Photo taking, video recording, and playback.
⑥ Enter button: Confirms selection/freezes screen.
⑦ Settings button: Enters/exits the settings menu.
⑧ Power button: Press and hold for a few seconds to turn ON/OFF.

Device Ports and Features

Diagram showing the borescope unit and probe with numbered components:

⑨ TF card slot
⑩ Charging port
⑪ Speaker
⑫ Installation hole of Screen bracket
⑬ Reset button
⑭ Microphone
⑮ Rigid Probe
⑰ Cable
⑯ Side Viewing Mirror
⑱ Type C Plug

Instructions

Powering On/Off

Press and hold the Power button (⑧) for a few seconds to turn the device ON/OFF.

Connecting/Disconnecting Probe

To connect or disconnect the probe, insert or pull out the Type C plug (⑱) of the probe from the monitor.

TF Card Management

The device is equipped with a TF memory card. Gently press the card to eject it.

To insert TF card:

Power off the device first before inserting the TF card.
Make sure the direction and the front/back sides are correct when inserting the TF card.
Do not use excessive force when inserting or removing the TF card to prevent damage to the card slot structure.

How to Focus

Screw the mirror in or out depending on your caliber diameter to get the best focal distance and use the 'lock ring' to hold it in position.

Diagrams illustrating focus adjustment:

a. For rifle barrel with .22 caliber: Shows the mirror adjusted inward.
b. For rifle barrel with larger caliber: Shows the mirror adjusted outward.

Monitor screen diagram callouts:

Mode: Press 'M' (⑤) to switch between photo taking, video recording, and playback modes. Press 'OK' (⑥) to take a photo or start recording.
TF card status: Displays whether a TF card is inserted or not.
Date and time: Can be modified in the Settings menu (⑦).

Language Settings

The default language is English. The system supports English, Chinese, German, French, Spanish, Italian, Russian, and Japanese.

To change the language:

Press the Settings button (⑦) to enter the settings page.
Select the language option on the settings page.
Use the Up and Down buttons (④) to select the desired language.
Press the Enter button (⑥) to save your choice.

Photo/Video Recording and Playback

Press the Mode switch button (⑤) to cycle through photo taking, video recording, and playback modes. In photo/video mode, press the Snap button (②) to take a photo or start/end recording. In playback mode, use the Up/Down buttons (④) to navigate through photos or videos and press the Enter button (⑥) to delete the selected item.

Copying Files to Computer

You can copy data directly using a TF card reader or connect the device to a computer using a Type-C cable.

⚠️ Please pull out the probe camera first before using the Type-C cable.

Charging the Monitor

Please use a 5V household charger that meets safety regulations to charge this device.
This device can work while charging.
If you do not use the device for a long time, ensure it is charged at least once every 3 months to prevent irreparable damage caused by excessive battery discharge.

Specification Parameters

Monitor

Screen: 4.5-inch IPS Color HD Screen
Screen Resolution: 854x480 (Pixels)
Image Capturing Resolution: 1920x1080
Video Recording Resolution: 1920x1080, 1280x720
Port: Type-C charging port, TF memory card slot

Probe

Diameter: 0.2-inch
Probe Length: 26-inch
Resolution: 1.0 Megapixel HD
Viewing angle: 70°
Depth of Field: 0.4~0.8-inch
Light Source: 6 adjustable high-intensity LEDs

Others

Operating Temperature: 32°F to 113°F (0°C to 45°C)
Power Source: 2500mAh Lithium Battery
Max Battery Life: 3~4 hours
Charging Time: 3~4 hours

Packaging

4.5-inch IPS Monitor
Rigid Rifle Borescope Probe
Side-View Mirrors
Type-C Charging cable
Screen Bracket
User Manual

Customer Service

Please contact Teslong if you have any questions. We are happy to assist you.

?www.teslong.com

?877-899-8809

✉️support@teslong.com

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