1. Introduction
Thank you for choosing the GearLight S2000 LED Flashlight. This powerful and versatile tactical flashlight is designed for various applications, including camping, hunting, home use, security, hiking, and emergency situations. Its durable aluminum construction and water-resistant design ensure reliable performance in diverse environments. Please read this manual carefully to ensure proper use and maintenance of your flashlight.

Figure 1: GearLight S2000 LED Flashlight
2. What's in the Box
- 1 x GearLight S2000 LED Flashlight
- 1 x Lanyard
3. Setup
3.1 Battery Installation
The GearLight S2000 LED Flashlight operates on 4 standard AA batteries (not included). Follow these steps to install the batteries:
- Unscrew the tail cap of the flashlight by turning it counter-clockwise.
- Remove the battery carrier from the flashlight body.
- Insert four AA batteries into the carrier, ensuring correct polarity (+/-) as indicated on the carrier.
- Insert the loaded battery carrier back into the flashlight body, aligning the arrow on the carrier with the flashlight's internal contacts.
- Screw the tail cap back on clockwise until it is securely tightened.

Figure 2: Diagram showing correct AA battery installation into the carrier.
Video 1: Demonstration of battery installation and flashlight assembly.
4. Operating Instructions
4.1 Power On/Off and Mode Selection
The flashlight features a tactical tail-cap switch for power control and mode selection:
- To Turn On/Off: Press the tail-cap button firmly until it clicks.
- To Change Modes: With the flashlight on, lightly press the tail-cap button (without a full click) to cycle through the three lighting modes: High, Medium, and Low. The flashlight will always start in High mode when turned on.
4.2 Zoom Function
Adjust the beam from a wide floodlight to a focused spotlight by sliding the head of the flashlight in and out. This allows for versatile illumination depending on your needs.

Figure 3: The flashlight features a zoomable head for beam adjustment.
Video 2: Demonstration of the flashlight's zoom function, adjusting the beam from wide to focused.
5. Features
- High Lumens: Delivers a powerful 1200-lumen output for bright illumination.
- Wide and Focused Beam: Ultra-bright LED illuminates up to 1000 feet, with an adjustable beam that zooms in for long-distance focus or out for wide area lighting.
- Multiple Lighting Modes: Features High, Medium, and Low modes to suit various lighting needs.
- Durable Construction: Made from military-grade aluminum, ensuring a lightweight yet rugged design.
- Water-Resistant: Rated IPX4 water-resistant, capable of handling rain and splashes.
- Drop-Resistant: Built to withstand everyday drops and rough handling.
- Long Runtime: Provides up to 10 hours of runtime on low power with 4 AA batteries.

Figure 4: The S2000 provides a high-powered beam to light up dark areas.

Figure 5: The flashlight is built for all weather conditions, featuring water resistance.

Figure 6: The S2000 features military-grade aluminum construction for durability.
6. Maintenance
- Cleaning: Wipe the flashlight body with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Lens Care: Keep the lens clean to maintain optimal light output. Use a lens cleaning cloth or soft cotton swab.
- Battery Storage: If the flashlight will not be used for an extended period, remove the batteries to prevent leakage and damage.
- O-Ring Maintenance: Periodically inspect the O-rings for wear and tear. Apply a thin layer of silicone grease to maintain water resistance.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Batteries are dead or incorrectly installed. | Replace batteries or ensure correct polarity. Check if the tail cap is fully tightened. |
| Light is dim or flickers. | Low battery power. | Replace batteries. |
| Beam does not adjust properly. | Obstruction or debris in the zoom mechanism. | Gently clean the sliding head mechanism. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | S2000 LED Flashlight |
| Light Output | 1200 Lumens (White Brightness) |
| Power Source | Battery Powered (4x AA, Alkaline recommended) |
| Light Source Type | LED |
| Material | Aluminum |
| Water Resistance Level | IPX4 Water Resistant |
| Product Dimensions | 7.5"D x 1.3"W x 1.3"H |
| Item Weight | 9.6 ounces |
| Special Features | Durable, High Power, Lightweight, Zoomable |
9. Warranty & Support
The GearLight S2000 LED Flashlight comes with a limited warranty. For detailed warranty information, product support, or any inquiries, please refer to the warranty card included in your product packaging or visit the official GearLight website. You can also contact customer service through the retailer where you purchased the product.
Contact Information: Please refer to your product packaging or the official GearLight website for the most up-to-date support contact details.