1. Introduction
This manual provides essential instructions for the safe and efficient use of your JECKLAMP PS102 Rechargeable Keychain Flashlight. Please read this manual thoroughly before operating the device and retain it for future reference.

Image 1.1: The JECKLAMP PS102 Rechargeable Keychain Flashlight, shown with its attached carabiner and key ring, emitting light from its head. Insets show the flashlight held in a hand, its twist mechanism, and its compact size.
2. Product Features
- Ultra-Lightweight Design: Compact and small, designed for easy attachment to keyrings or pockets.
- High Brightness: Equipped with high-quality LED bulbs, providing up to 200 lumens of light.
- Extended Runtime: Offers up to 13 hours of illumination on low mode (15 lumens).
- Simple Operation: Features a twist-to-turn mechanism for easy activation and deactivation.
- Durable Construction: IP68 waterproof rating and designed to withstand drops from up to 1 meter.
- Rechargeable Battery: Integrated Type-C charging port for convenient and eco-friendly recharging.
3. Setup
3.1 Initial Charging
Before first use, fully charge the flashlight. The device features a Type-C charging port for quick and convenient power replenishment.
- Locate the Type-C charging port on the flashlight body.
- Connect the provided Type-C cable to the flashlight and a compatible USB power source (e.g., wall adapter, power bank, computer USB port).
- Allow the flashlight to charge until the charging indicator (if present) signals a full charge.

Image 3.1: The JECKLAMP PS102 flashlight being charged via its Type-C port, demonstrating connections to a wall adapter, a power bank, and a laptop.
3.2 Attaching to Keychain
The flashlight comes with a carabiner and key ring for easy attachment.
- Attach the key ring to the loop at the tail end of the flashlight.
- Use the carabiner to secure the flashlight to your keys, backpack, or belt loop.
4. Operating Instructions
4.1 Turning On/Off
The JECKLAMP PS102 features a simple twist mechanism for operation.
- To turn the flashlight ON, gently twist the head of the flashlight clockwise.
- To turn the flashlight OFF, twist the head counter-clockwise until the light extinguishes.

Image 4.1: A pair of hands holding the JECKLAMP PS102 flashlight, with arrows indicating the twisting motion to turn the light on and off.
4.2 Brightness Modes
The flashlight operates at a maximum brightness of 200 lumens. On its low setting (approximately 15 lumens), it can provide illumination for up to 13 hours.
5. Maintenance
5.1 Charging
Recharge the flashlight when the light output diminishes. Use a standard Type-C cable and a compatible USB power source. Avoid using damaged cables or chargers.
5.2 Cleaning
Wipe the flashlight body with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these may damage the finish or internal components.
5.3 Storage
Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, ensure the battery is partially charged (around 50%) to prolong its lifespan.
6. Troubleshooting
- Flashlight does not turn on:
- Ensure the flashlight head is twisted fully clockwise to the 'ON' position.
- Charge the battery. The battery may be depleted.
- Flashlight does not charge:
- Verify that the Type-C cable is securely connected to both the flashlight and the power source.
- Try a different Type-C cable and/or power adapter to rule out faulty accessories.
- Ensure the charging port is free of debris.
- Light output is dim:
- The battery may be low. Recharge the flashlight.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | JECKLAMP |
| Model Number | PS102 |
| Light Source Type | LED |
| Brightness | 200 Lumens (Max) |
| Low Brightness Runtime | 13 hours (at 15 lumens) |
| Power Source | Battery Powered |
| Battery Type | Lithium (1 C battery included) |
| Charging Port | Type-C |
| Material | Aluminum |
| Color | Black |
| Product Dimensions | 2.17"D x 0.39"W x 2.17"H |
| Item Weight | 1.76 ounces |
| Water Resistance Level | IP68 Waterproof |
| Drop Resistance | 1 Meter |
| Voltage | 3.7 Volts |

Image 7.1: A visual representation of the JECKLAMP PS102 flashlight's compact size, showing its length of 2.16 inches and diameter of 0.6 inches, alongside a smartphone for scale.

Image 7.2: The JECKLAMP PS102 flashlight submerged in water, with icons indicating its IP68 waterproof rating (two meters under water) and 1-meter drop-proof feature.
8. Warranty and Support
For warranty information or technical support, please contact JECKLAMP customer service. Refer to the product packaging or the official JECKLAMP website for contact details.
9. Safety Information
- Do not shine the flashlight directly into eyes.
- Keep out of reach of children.
- Do not disassemble or modify the flashlight.
- Use only specified charging cables and adapters.
- Avoid exposing the flashlight to extreme temperatures or open flames.