1. Introduction
Thank you for choosing the Smiling Shark TD-0123-S Headlamp. This manual provides essential information for the safe and effective use of your headlamp. Please read it thoroughly before operation and retain it for future reference.
2. Product Overview
Key Features
- Multiple Lighting Modes: Features 4 distinct lighting modes including High floodlight, Medium floodlight, High fixed focus, and Medium fixed focus for versatile illumination.
- Wave Sensor On/Off Mode: Integrated sensor chip allows hands-free operation by sensing gestures to switch the light on or off.
- Long Battery Life: Equipped with 2400mAh batteries, providing up to 8 hours of continuous use. Fast charging takes approximately 1-2 hours.
- Durable and Waterproof: Designed with a waterproof casing, making it suitable for use in various weather conditions, including rain.
- Comfortable Design: Features a comfortable and adjustable headband for secure wear during activities.
Package Contents
The Smiling Shark TD-0123-S Headlamp package includes the following items:
- Smiling Shark TD-0123-S Headlamp (x2)
- Type-C Charging Cable (x2)
- User Manual (x1)

Figure 2.1: Package Contents
3. Setup
3.1 Charging the Headlamp
- Locate the USB-C charging port on the headlamp.
- Connect the provided Type-C charging cable to the headlamp.
- Plug the other end of the charging cable into a compatible USB power source (e.g., wall adapter, computer USB port, power bank).
- The charging indicator lights will illuminate to show the charging status. A full charge typically takes 1-2 hours.

Figure 3.1: Charging the Headlamp
3.2 Wearing the Headlamp
Adjust the elastic headband to fit comfortably and securely around your head. The headlamp should sit firmly without being too tight, allowing the light to be directed as needed.

Figure 3.2: Wearing the Headlamp
4. Operating Instructions
4.1 Power On/Off and Mode Selection
Press the power button located on the side of the headlamp to cycle through the available lighting modes:
- High Floodlight
- Medium Floodlight
- High Fixed Focus (Spotlight)
- Medium Fixed Focus (Spotlight)
- Strobe (typically activated by a long press or additional press after cycling through main modes)
To turn off the headlamp, continue pressing the power button until the light extinguishes, or use the motion sensor mode.

Figure 4.1: Lighting Modes
4.2 Motion Sensor Mode
The headlamp features a built-in motion sensor for hands-free operation. Activate this mode by pressing the dedicated sensor button (often indicated by a wave icon). Once activated, you can turn the light on or off with a simple hand wave in front of the sensor.

Figure 4.2: Motion Sensor Operation
5. Maintenance
5.1 Cleaning
To clean the headlamp, gently wipe the surface with a soft, damp cloth. Avoid using abrasive cleaners or solvents, as these can damage the casing or electronic components.
5.2 Water Resistance
The Smiling Shark TD-0123-S Headlamp is designed with a waterproof casing (IP44 rated), making it resistant to splashes and light rain. It is not intended for submersion in water. Ensure the charging port cover is securely closed when not charging to maintain water resistance.
5.3 Storage
When not in use for extended periods, store the headlamp in a cool, dry place away from direct sunlight. It is recommended to fully charge the battery before storage and recharge it every few months to maintain battery health.
6. Troubleshooting
6.1 Headlamp Not Turning On
- Ensure the battery is charged. Connect the headlamp to a power source using the provided USB-C cable.
- Check if the power button is functioning correctly. Press firmly.
6.2 Motion Sensor Not Responding
- Ensure the motion sensor mode is activated (check for the sensor indicator light).
- Make sure there are no obstructions in front of the sensor.
- Try turning the headlamp off and on again to reset the sensor.
6.3 Short Battery Life
- Ensure the headlamp is fully charged before use.
- Using higher brightness modes will consume battery faster. Consider using lower modes when possible.
- Battery performance can decrease in extremely cold temperatures.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | TD-0123-S |
| Brand | Smiling Shark |
| Power Source | Battery Powered |
| Light Source Type | LED |
| Material | ABS |
| Battery Capacity | 2400mAh (Lithium Polymer) |
| Charging Time | 1-2 hours |
| Operating Time | Up to 8 hours (depending on mode) |
| Brightness | Up to 1000 Lumens |
| Voltage | 5 Volts (DC) |
| Water Resistance Level | Waterproof (IP44) |
| Product Dimensions | 6.97"D x 3"W x 1.73"H |
| Item Weight | 0.71 ounces (approx. 20 grams) |
| UPC | 850076849023 |
8. Warranty and Support
Smiling Shark is committed to providing quality products and customer satisfaction. For any questions, technical support, or warranty inquiries regarding your TD-0123-S Headlamp, please refer to the contact information provided with your purchase or visit the official Smiling Shark website. A multilingual service team is available to assist you.