Product Overview
The Nightstick NSP-4640B Forge™ is a helmet-mounted multi-function flashlight designed for professional use, offering versatile lighting modes and robust construction. It is engineered to provide reliable illumination in demanding environments.

Image: The Nightstick NSP-4640B Forge™ Helmet-Mounted Multi-Function Flashlight in black, showcasing its compact design and helmet mount.
Installazione è installazione
1. Installazione di batterie
Your Nightstick NSP-4640B Forge™ flashlight requires two (2) CR123A Lithium batteries for operation. These batteries are included with the product. Use the provided Allen key to open the battery compartment, insert the batteries with correct polarity, and securely close the compartment.

Image: The Nightstick NSP-4640B flashlight, two CR123 batteries, and an Allen wrench, illustrating the components included for setup.
2. Helmet Mounting
The flashlight features a 360-degree multi-angle mount for optimal light placement on a helmet. The helmet clamp includes a rubber foot for secure, mar-free attachment. Position the flashlight above or below the brim of fire helmets or hard hats as needed. The design allows for easy manipulation even with thick gloves.

Image: The NSP-4640B flashlight mounted on a red helmet, demonstrating its helmet-mounted multi-function capability.

Image: A diagram illustrating the optimized placement and 360-degree multi-directional mount of the Nightstick Forge flashlight.
Istruzzioni di funziunamentu
Modi di luce
The Nightstick NSP-4640B features a single push-button switch to cycle through its lighting modes:
- Modu altu: 360 lumens for maximum illumination.
- Modu bassu: 180 lumens for reduced brightness and extended runtime.
- Modu di sopravvivenza: 30 lumens for prolonged use in emergency situations.
Additionally, a rear-facing green safety LED is integrated for enhanced visibility and team coordination in low-light conditions.

Image: The Nightstick Forge flashlight showcasing its hands-free lighting capabilities with different lumen outputs.

Image: The rear green "Follow Me" light of the Nightstick Forge flashlight, designed to enhance team coordination.
Mantenimentu
Pulizia
To maintain optimal performance, regularly clean the exterior of the flashlight with a soft, damp pannu. Evitate l'usu di detergenti abrasivi o solventi chì puderanu dannighjà a finitura o i cumpunenti interni.
Sustituzione di batterie
Replace batteries when the light output diminishes significantly. Refer to the "Battery Installation" section for detailed instructions on how to safely replace the CR123A Lithium batteries.
Resistenza à l'acqua è a polvera
The NSP-4640B is IP-X7 water and dust proof, meaning it can withstand immersion in water up to 1 meter for 30 minutes. Ensure all seals and the battery compartment are properly closed before exposing the flashlight to water or dusty environments.
Risoluzione di prublemi
If your Nightstick NSP-4640B Forge™ flashlight is not functioning as expected, consider the following:
- Nisuna emissione di luce: Check if the batteries are inserted correctly with the proper polarity. Ensure the batteries are not depleted and replace them if necessary.
- Dim Light Output: This typically indicates low battery power. Replace both CR123A batteries.
- Operazione intermittente: Ensure the battery compartment is securely closed and the contacts are clean.
For persistent issues, please refer to the support information provided in the "Support and Warranty" section.
Specificazioni

Image: A visual representation of the key specifications for the Nightstick NSP-4640B.
| Feature | Detail |
|---|---|
| Numero di mudellu | NSP-4640B |
| Tipu di fonte di luce | LED |
| Alti lumens | 360 lumens |
| Lumen bassu | 180 lumens |
| Survival Lumens | 30 lumens |
| Distanza High Beam | 218 metri |
| Runtime | 30 hours (Survival Mode) |
| Materiale | 6061-T6 Alluminiu |
| Livellu di resistenza à l'acqua | IP-X7 Impermeabile |
| Tipu di muntatura | Muntagna Cascu |
| Fonte d'energia | Battery Powered (2 CR123A included) |
| Dimensioni di u produttu | 3.33 "D x 1.44" W x 3.58 "H |
| Pesu di l'articulu | 204 grammi (7.2 once) |

Image: A diagram detailing the dimensions of the Nightstick NSP-4640B flashlight.
Assistenza è Garanzia
Infurmazioni di Garanzia
The Nightstick NSP-4640B Forge™ Helmet-Mounted Multi-Function Flashlight comes with a Garanzia limitata a vita. For specific terms and conditions, please refer to the official Nightstick websitu o cuntattate l'assistenza clienti.
Assistenza Clienti
For further assistance, technical support, or warranty claims, please visit the official Nightstick store or contact their customer service department.
Official Nightstick Store: Nightstick Store on Amazon





