1. Product Overview
The SEHMUA TC18 Cellular Trail Camera is a solar-powered 2K game camera designed for outdoor security and wildlife observation. It features 4G LTE connectivity with a built-in SIM card, offering real-time monitoring and advanced motion detection capabilities. The camera provides a 360° rotating view and two-way audio communication.

Image: Two SEHMUA TC18 cellular trail cameras with solar panels, featuring a camouflage green finish, designed for outdoor use.
2. Package Contents
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact customer support.

Image: Layout of all components included with the SEHMUA TC18 Cellular Trail Camera 2-pack, showing cameras, solar panels, mounting hardware, and accessories.
- Trail Camera (x2)
- Strap (x2)
- Camera Bracket (x2)
- Solar Panel Screw Pack (x2)
- Camera Screw Pack (x2)
- Charging Cable (x2)
- Screwdriver (x2)
- Positioning Sticker (x2)
3. Setup Guide
3.1. SIM Card and Data Plan Activation
The camera includes a pre-installed 4G LTE SIM card. No additional SIM purchase is required. This SIM is compatible with Verizon, AT&T, and T-Mobile networks in the U.S. Upon initial setup, a trial data plan may be active. For continuous service, affordable unlimited data plans are available for purchase after the trial period.

Image: A close-up of the camera's internal components highlighting the built-in SIM card, with an overlay showing various data plan options and pricing.
Important: The built-in SIM card automatically connects to the strongest available signal. This service is currently available only in the US.
3.2. Initial Charging and Power
Before first use, ensure the camera's internal 7800mAh rechargeable battery is sufficiently charged. The integrated 6W solar panel provides continuous power, reducing the need for frequent manual charging. For optimal performance, position the solar panel to receive maximum direct sunlight.

Image: A SEHMUA TC18 camera mounted on a tree, showcasing its solar panel for continuous power. Text indicates "10 minutes = 24 hours" of charge, highlighting the 6W solar panel, 7800mAh battery, and IP65 waterproof rating.
3.3. App Installation and Pairing
- Download the UBox app from your smartphone's app store (iOS or Android).
- Create an account and log in.
- Follow the in-app instructions to add your SEHMUA TC18 camera. This typically involves scanning a QR code on the camera or manually entering its device ID.
- Ensure your smartphone has a stable internet connection during the pairing process.
3.4. Mounting the Camera
The camera can be mounted using the provided strap or screw pack. Choose a location that offers a clear view of the area you wish to monitor and allows the solar panel to receive adequate sunlight.

Image: Two examples of mounting the SEHMUA TC18 camera: one mounted on a wall overlooking a field with alpacas, and another strapped to a tree in a forest with deer, demonstrating versatile installation.
- Strap Mounting: Ideal for trees or poles. Thread the strap through the camera's mounting slots and secure it tightly.
- Screw Mounting: Use the camera bracket and screws to attach the camera to a wall or other flat surface. Ensure the surface is stable enough to support the camera.
4. Operating Instructions
4.1. Live Streaming and 2K HD Resolution
Access real-time video footage directly from your smartphone via the UBox app. The camera captures video in 2K HD resolution, providing clear and detailed images.

Image: A split image showing a deer in a field, with one side in natural daylight and the other in clear black-and-white night vision, emphasizing the 2K HD resolution and 98ft night vision capability.
4.2. Pan and Tilt Functionality
The camera supports 355° horizontal pan and 100° vertical tilt, allowing for a near-complete 360° viewing area. Use the UBox app to remotely adjust the camera's viewing angle to cover wide outdoor spaces and eliminate blind spots.

Image: A panoramic view of horses in a field, with an overlay illustrating the camera's 360° pan and tilt capabilities (355° horizontal, 100° vertical) and 4x digital zoom, controlled via a smartphone app.
4.3. PIR Motion Detection and Alerts
The highly sensitive PIR sensor detects motion within 0.2 seconds. Upon detection, the camera sends instant alerts to your smartphone via the UBox app, ensuring you are notified of any activity.

Image: A deer in a forest, with a smartphone screen displaying motion detection alerts from the UBox app, illustrating the camera's PIR motion detection feature.
You can customize alert timings within the app to receive notifications only when needed.
4.4. Two-Way Audio Communication
Utilize the two-way talk feature through the UBox app to communicate in real-time. This allows you to speak through the camera's speaker and hear audio from its microphone, useful for warning intruders, guiding visitors, or observing wildlife.

Image: A young boy feeding sheep near a fence, with speech bubbles indicating a two-way conversation ("Mark, lunch is ready." "OK.") demonstrating the camera's two-way talk feature.
4.5. Night Vision
Advanced infrared night vision provides clear visibility up to 98 feet (30 meters) in complete darkness, ensuring continuous monitoring day and night.
4.6. Data Storage
The camera supports both cloud storage and local storage via a memory card (up to 128GB, not included). A 30-day trial for cloud storage may be provided.

Image: A smartphone displaying live camera feed of deer in a forest, with icons for "Cloud" and "Memory Card (Not Included)", indicating storage options and mentioning a 30-day trial cloud storage and support for up to 128GB memory card.
5. Maintenance
- Cleaning: Periodically wipe the camera lens and solar panel with a soft, damp cloth to ensure clear images and efficient charging.
- Weather Resistance: The camera has an IP65 waterproof rating, allowing it to operate reliably in various weather conditions from -4°F to 122°F (-20°C to 50°C). Ensure all covers and seals are properly closed to maintain water resistance.
- Battery Health: While solar-powered, monitor battery levels via the app, especially during prolonged periods of low sunlight.

Image: A SEHMUA TC18 camera strapped to a tree during a rain shower, with cows in the background, illustrating its IP65 waterproof design and ability to withstand various weather conditions.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Network Connection | Weak 4G signal; SIM card issue; data plan expired. | Relocate camera to an area with better signal. Check data plan status in the UBox app. Ensure SIM is properly seated (though built-in, verify no physical damage). |
| Camera Not Powering On | Low battery; solar panel not charging; faulty battery. | Ensure solar panel is receiving direct sunlight. Charge the camera using the provided USB cable. If issues persist, contact support. |
| No Motion Detection Alerts | PIR sensor blocked; sensitivity settings too low; camera positioned incorrectly. | Clear any obstructions from the PIR sensor. Adjust PIR sensitivity settings in the UBox app. Ensure camera is positioned to capture motion effectively. |
| Poor Image/Video Quality | Dirty lens; low light conditions; network bandwidth issues. | Clean the camera lens. Ensure adequate lighting for optimal image capture. Check network signal strength for live streaming quality. |
| App Connectivity Issues | Outdated app version; smartphone network issues; camera offline. | Update the UBox app to the latest version. Verify your smartphone's internet connection. Check if the camera is online and connected to the 4G network. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | TC18 |
| Usage Environment | Outdoor |
| Power Source | Solar Powered (6W solar panel, 7800mAh rechargeable battery) |
| Connectivity | 4G LTE Cellular (Built-in SIM, compatible with Verizon, AT&T, T-Mobile in U.S.) |
| Video Resolution | 2K HD |
| Viewing Angle | 355° Horizontal Pan, 100° Vertical Tilt (Near 360° coverage) |
| Motion Detection | PIR Sensor (0.2s detection speed) |
| Night Vision Range | Up to 98 ft (30m) |
| Audio | Two-Way Talk |
| Waterproof Rating | IP65 |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
| Storage Options | Cloud Storage, Micro SD Card (up to 128GB, not included) |
| Dimensions (L x W x H) | 10 x 10 x 10 inches |
| Item Weight | 4.38 pounds |
8. Warranty and Support
For warranty information, technical assistance, or customer support, please contact SEHMUA directly through their official channels. Refer to the product packaging or the SEHMUA website for the most current contact details.
Online Resources: For additional FAQs and support, visit the SEHMUA Store on Amazon.





