1. Introduction
This manual provides essential instructions for the safe and effective operation, maintenance, and troubleshooting of your i4SEE E10-256 Thermal Monocular. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.

Image 1.1: The i4SEE E10-256 Thermal Monocular, a compact handheld device.
2. Product Overview
2.1. Components
The i4SEE E10-256 Thermal Monocular package includes the following items:
- E10-256 Thermal Monocular device
- Lens cover
- Eyepiece mask
- Wrist strap
- USB Type-C cable
- Quick use guide
- Safety Information Manual
- Warranty card

Image 2.1: Component illustration of the E10-256 Thermal Monocular.
2.2. Key Features
- High-Resolution Thermal Imaging: Equipped with a 256×192 uncooled VOx infrared detector and a 10mm F1.0 lens, offering a detection range up to 500 meters (550 yards). Features a NETD of 30mK and a 50Hz frame rate for clear, real-time thermal views.
- Ultra-Lightweight & Portable: Weighs only 248 grams (8.75 oz) with compact dimensions (1.85 x 5.2 x 1.85 inches), designed for easy carrying.
- Clear Viewing: Features a 0.32” AMOLED display with 800×600 resolution and multiple color palettes. Includes 25mm eye relief and -5 to +5 diopter adjustment for comfortable viewing.
- Long Battery Life & Quick Charging: Provides up to 6 hours of continuous use. Supports 20W quick charging, allowing 1 hour of operation from a 10-minute charge.
- Smart Connectivity & Rugged Design: Integrated WiFi (2.4G/5G) and Bluetooth for mobile app control and OTA updates. Records audio-synced videos to 16GB internal memory. IP67-rated for all-weather durability.

Image 2.2: The E10-256 is ultra-lightweight and portable.

Image 2.3: The device features an IP67-rated rugged design.
3. Setup
3.1. Charging the Battery
Before first use, fully charge the device. Connect the supplied USB Type-C cable to the monocular's charging port and to a compatible 20W power adapter (not included). The charging indicator will show the charging status. A 10-minute charge provides approximately 1 hour of operation, with a full charge offering up to 6 hours.

Image 3.1: Battery charging and operating times.
3.2. Initial Power On and Diopter Adjustment
- Press and hold the Power/OK button located on the top of the device to turn it on.
- Look through the eyepiece. If the image is not clear, rotate the diopter adjustment ring near the eyepiece until the display text and image appear sharp for your vision.
4. Operating Instructions
4.1. Basic Controls
The E10-256 features a one-button, one-ring design for intuitive control:
- Power/OK Button: Press and hold to power on/off. Short press to confirm selections or take a photo/start recording.
- Function Knob (Ring): Rotate to navigate menus, switch modes, or adjust settings.

Image 4.1: Smooth operation with one-button, one-ring design.
4.2. Thermal View and Color Palettes
The device offers a 50Hz refresh rate for smooth thermal imaging. You can switch between various color palettes to optimize viewing for different scenarios:
- White Hot
- Black Hot
- Red Hot
- Iron Hot
- Sepia
- Green Hot
- Blue Hot
Rotate the function knob to cycle through these palettes.

Image 4.2: Multiple color palettes for varied viewing conditions.

Image 4.3: 50Hz high refresh rate provides smoother thermal imaging.
4.3. App Connectivity (TargetIR App)
The i4SEE E10-256 can connect to your smartphone via the TargetIR app (available on App Store and Google Play) using dual-band WiFi (2.4G/5G) and Bluetooth. This enables:
- Real-time preview of HD infrared images.
- Full remote control for photos, videos, rangefinding, tracking, and zoom.
- File management (viewing, deleting, sharing).
- Over-The-Air (OTA) firmware updates.

Image 4.4: TargetIR app for remote control and real-time preview.
4.4. Recording Videos and Photos
The device has 16GB of internal memory for storing captured media. You can record videos with synced audio and take still photos.
- To take a photo: Short press the Power/OK button.
- To start/stop video recording: Refer to the on-screen interface or the TargetIR app for specific controls.

Image 4.5: Audio-visual recording capabilities.
5. Maintenance
5.1. Cleaning
- Lens and Eyepiece: Use a soft, lint-free cloth specifically designed for optical lenses. Do not use abrasive materials or harsh chemicals.
- Device Body: Wipe with a soft, damp cloth. Avoid excessive moisture.
5.2. Storage
Store the monocular in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the lens cap is on to protect the objective lens.
5.3. Battery Care
To prolong battery life, avoid fully discharging the battery frequently. If storing for an extended period, charge the battery to approximately 50% and recharge every few months.
6. Troubleshooting
If you encounter issues with your i4SEE E10-256 Thermal Monocular, refer to the following common solutions:
- Device does not power on: Ensure the battery is sufficiently charged. Connect to a power source and attempt to power on again.
- Image is blurry: Adjust the diopter ring near the eyepiece. Ensure the objective lens is clean and free from obstructions.
- No thermal image: Verify the device is in thermal imaging mode. If the issue persists, power cycle the device.
- App connectivity issues: Ensure WiFi and Bluetooth are enabled on both the monocular and your smartphone. Restart both devices and try reconnecting. Check for app updates.
- Short battery life: Ensure the device is fully charged. Reduce screen brightness or disable unnecessary features like WiFi if not in use.
For persistent issues not covered here, please contact i4SEE customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Model | E10-256 |
| Detector Resolution | 256x192 |
| Pixel Pitch | 12µm |
| NETD | 30mK |
| Frame Rate | 50Hz |
| Objective Lens Diameter | 10mm |
| Focal Length | 10mm |
| Field of View | 90 Degrees |
| Display Type | AMOLED |
| Display Resolution | 800x600 |
| Eye Relief | 25mm |
| Diopter Adjustment | -5 to +5 |
| Battery Life | Up to 6 hours |
| Charging | 20W Quick Charging (USB Type-C) |
| Internal Memory | 16GB |
| Connectivity | WiFi (2.4G/5G), Bluetooth, Mobile App |
| Ingress Protection | IP67 |
| Product Dimensions | 1.85 x 5.2 x 1.85 inches |
| Item Weight | 7.2 ounces (248 grams) |
8. Warranty and Support
8.1. Warranty Information
The i4SEE E10-256 Thermal Monocular is backed by a 5-year warranty. Please refer to the included Warranty Card for detailed terms and conditions regarding coverage and claims.
8.2. Customer Support
For technical assistance, product inquiries, or warranty claims, please contact i4SEE customer support through the official i4SEE website or the contact information provided on your Warranty Card.





