1. Product Overview
The SOTTLOT Double Head Solar Wall Light is an energy-efficient outdoor lighting solution designed for various applications such as walls, patios, fences, decks, garages, and gates. It features a dual-head design with adjustable lighting angles, multiple operating modes, and an integrated motion sensor for enhanced security and convenience. Powered entirely by solar energy, this light offers a sustainable and cost-effective way to illuminate your outdoor spaces.

Figure 1.1: SOTTLOT Double Head Solar Wall Light (Model SWL-39)
2. Safety Information
- Ensure the product is installed in a location where it receives direct sunlight for optimal charging.
- Do not attempt to disassemble or modify the product. This may void the warranty and pose a safety risk.
- Keep the solar panel clean and free from debris to maintain charging efficiency.
- This product is designed for outdoor use and is waterproof (IP44 rated), but avoid submerging it in water.
- Handle with care during installation to prevent damage to the unit or injury.
3. What's in the Box
Verify that all components are present before beginning installation:
- SOTTLOT Outdoor Solar Light Unit
- Mounting Hardware (screws, wall anchors)
4. Product Features
- Double Lamp Head Design: Features two LED lamp heads, each with 12 LEDs, providing 4000K natural white light. Each lamp head is adjustable by 35° for flexible lighting angles.
- 4 Lighting Modes: Offers versatile lighting options to suit different needs and scenes.
- PIR Motion Sensor: High-sensitivity sensor detects motion up to 120 degrees with a 5m range, automatically activating the light when movement is detected in the dark.
- Solar Power: Equipped with a monocrystalline silicone solar panel for fast charging and high energy conversion efficiency (up to 23%). Operates completely on solar energy, eliminating electricity costs.
- Durable and Waterproof: IP44 waterproof rating ensures reliable performance in various outdoor weather conditions.
- Easy Installation: No wiring or adapters required, allowing for quick and simple installation with included screws.

Figure 4.1: Lighting Area and Adjustable Heads
5. Setup and Installation
The SOTTLOT solar light is designed for easy, wire-free installation. Follow these steps:
- Choose a Location: Select an outdoor location that receives direct sunlight for at least 6-8 hours daily to ensure optimal charging. Ideal spots include porches, patios, fences, decks, garages, or gates.
- Mark Drilling Points: Hold the light unit against the desired mounting surface and mark the positions for the mounting screws.
- Drill Holes: Use an appropriate drill bit to drill pilot holes at the marked points. If installing into masonry or concrete, insert the provided wall anchors.
- Mount the Light: Align the light unit with the drilled holes and secure it firmly using the provided screws.
- Adjust Lamp Heads: Once mounted, adjust the two lamp heads to direct light as needed. Each head can be adjusted up to 35 degrees.

Figure 5.1: Product Dimensions and Mounting Bracket
6. Operating Instructions
The solar light operates automatically at dusk and offers four distinct lighting modes.
6.1. Turning On/Off
To turn the solar light ON or OFF, press and hold the center of the ON/OFF button for more than 1.5 seconds. The light will indicate its status.
6.2. Changing Lighting Modes
Once the light is ON, quickly tap the center of the ON/OFF button to cycle through the different lighting modes. Continue tapping until you reach your desired mode.
- Mode 1 (M1): 20% brightness until dawn.
- Mode 2 (M2): Stays at 10% low brightness all night and turns to 100% brightness for 30 seconds when motion is detected, then returns to 10% until dawn.
- Mode 3 (M3): Light is off when there is no movement. Turns to 100% brightness for 30 seconds when movement is detected, then turns off until dawn.
- Mode 4 (M4): 100% high light until dawn.

Figure 6.1: User Guide for ON/OFF and Mode Selection

Figure 6.2: Overview of Lighting Modes (M1-M4)
7. Maintenance
To ensure the longevity and optimal performance of your SOTTLOT solar light, consider the following maintenance tips:
- Clean the Solar Panel: Periodically wipe the solar panel with a soft, damp cloth to remove dust, dirt, or debris. A clean panel ensures maximum sunlight absorption and charging efficiency.
- Clear Obstructions: Ensure no trees, bushes, or other objects are blocking direct sunlight from reaching the solar panel, especially during peak daylight hours.
- Seasonal Adjustments: In areas with less sunlight during winter months, the light's performance may be reduced. Ensure the panel is clear of snow or ice.
8. Troubleshooting
If your solar light is not functioning as expected, try the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on at night. | Insufficient charging. | Ensure the solar panel receives 6-8 hours of direct sunlight daily. Clean the solar panel. |
| Light duration is short. | Insufficient charging or low battery. | Relocate the light to a sunnier spot. Ensure the panel is clean. Consider using a lower brightness mode (M1 or M2) to extend illumination time. |
| Motion sensor not working. | Sensor obstructed or incorrect mode. | Ensure the sensor is clear of obstructions. Verify the light is in Mode 2 or Mode 3. |
| Light flickers or is dim. | Low battery charge. | Allow the light to charge for a full day in direct sunlight. |
9. Specifications
| Feature | Specification |
|---|---|
| Brand | SOTTLOT |
| Model Name | SWL-HB001 |
| Item Model Number | SWL-39 |
| Color | Dark Grey |
| Material | Acrylonitrile Butadiene Styrene, Polycarbonate |
| Product Dimensions | 4.6"L x 2.1"W x 5.47"H |
| Power Source | Solar Powered |
| Light Source Type | LED |
| Number of Light Sources | 24 |
| Brightness | 800 Lumen (Max) |
| Light Color Temperature | 4000K (Neutral White) |
| Motion Sensor Range | 120 degrees, 5 meters |
| Water Resistance Level | IP44 Waterproof |
| Battery | 1 Lithium Polymer battery (included) |
| Solar Panel Efficiency | Up to 23% |
| Installation Type | Wall Mount |
10. Warranty and Support
For information regarding product warranty, returns, or technical support, please refer to the product packaging or visit the official SOTTLOT website. Keep your purchase receipt for warranty claims.
For further assistance, you may contact SOTTLOT customer service through their official channels.