1. Product Overview
The Streamlight Syclone is a compact, multi-function work light designed for inspection, identification, and repair tasks. It features both a bright white spot beam and a high CRI flood beam with Streamlight's Color-Rite Technology for accurate color differentiation. Its ultra-compact design allows it to fit into small spaces, and it offers hands-free operation with a magnetic base and a stowable hook. The light head rotates 360 degrees for versatile beam aiming.
Key Features:
- Dual Lighting Modes: Spot beam for focused illumination and flood beam with Color-Rite Technology for color matching.
- Hands-Free Operation: Integrated magnetic base and stowable hang hook for versatile mounting.
- 360-Degree Rotation: The light head fully rotates to direct light precisely where needed.
- Durable Construction: IPX4 water-resistant and 2-meter impact resistance tested, made from rugged thermoplastic with a chemical-resistant lens.
- USB Rechargeable: Convenient charging via micro USB.
2. What's in the Box
- Streamlight Syclone Work Light (Model 61510)
- USB Cable
- User Guide
3. Setup and Initial Charge
Initial Charge:
Before first use, fully charge the Syclone work light. The light is powered by an included Lithium Polymer battery.
- Locate the micro USB charging port on the side of the light, protected by a rubber flap.
- Open the rubber flap to expose the charging port.
- Connect the supplied USB cable to the light and to a compatible USB power source (e.g., wall adapter, computer USB port).
- The charging indicator light will illuminate red while charging.
- Once fully charged, the indicator light will turn green. A full charge from depletion typically takes approximately 4.5 hours.

Image: The Streamlight Syclone light connected to its USB charging cable.

Image: The charging indicator on the Syclone light, showing red when charging and green when fully charged.
4. Operating Instructions
Power Button and Mode Selection:
The Syclone features a multi-function push-button switch for controlling power and light modes.
- Single Press: Turns the light ON to the last used mode (High Spot, Medium Spot, Low Spot, High Flood, Medium Flood, Low Flood).
- Subsequent Presses (within 2 seconds): Cycles through the available light modes for the currently selected beam type (Spot or Flood).
- Press and Hold (for 2 seconds or more): Turns the light OFF from any mode.
- To Switch Beam Type: Turn the light OFF, then press and hold the button for approximately 1 second to switch between Spot and Flood beams. The light will turn ON in the last used mode for that beam type.
Light Modes and Run Times:
| Mode | Lumens | Beam Distance | Run Time |
|---|---|---|---|
| High Spot | 400 | 141m | 2 hours |
| Medium Spot | 200 | 95m | 4.5 hours |
| Low Spot | 100 | 72m | 9.5 hours |
| High Flood | 300 | 48m | 2 hours |
| Medium Flood | 150 | 35m | 4 hours |
| Low Flood | 75 | 24m | 8 hours |
Mounting and Positioning:
The Syclone offers multiple options for hands-free use:
- Magnetic Base: The flat base contains strong magnets, allowing the light to be securely attached to ferrous metal surfaces.
- Stowable Hook: A retractable hook is integrated into the base, providing an option to hang the light.
- 360-Degree Rotating Head: The light head can be rotated independently of the base to direct the beam precisely.

Image: The Streamlight Syclone displaying its magnetic base for hands-free attachment.

Image: The Streamlight Syclone hanging from its integrated, stowable hook.

Image: The Streamlight Syclone in use, magnetically attached to a metal surface to illuminate a work area.
5. Specifications
| Feature | Detail |
|---|---|
| Model Number | 61510 |
| Light Source | LED (White) |
| Max Light Output | 400 Lumens (High Spot) |
| Power Source | Battery Powered (1 Lithium Polymer battery included) |
| Battery Cell Composition | Lithium Polymer Rechargeable |
| Average Battery Life | 5 Hours (average across modes) |
| Material | Thermoplastic |
| Color | Red |
| Product Dimensions | 2.97"D x 2.79"W x 1.42"H |
| Item Weight | 5.3 ounces |
| Water Resistance Level | IPX4 (Not Water Resistant - Note: IPX4 indicates resistance to splashing water from any direction.) |
| Impact Resistance | 2 meters |
| Certifications | ANSI FL1, CE |
6. Safety Information
Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Always ensure the USB charging port's rubber flap is securely closed when not charging to maintain water resistance.
7. Product Demonstration
Video: An official Streamlight demonstration showcasing the features and versatility of the Syclone, Strion Switchblade, and Flipmate work lights. This video highlights their use in various automotive and industrial settings, emphasizing portability, durability, and lighting capabilities.
8. Warranty and Support
The Streamlight Syclone 400-Lumen USB Rechargeable Multi-Function Compact Work Light is backed by a Limited Lifetime Warranty. For detailed warranty information or technical support, please refer to the official Streamlight website or contact their customer service.





