
Nautlite ReefMaster 1800
The Nautilite ReefMaster 1800 is a powerful and rugged underwater torch designed for divers who demand strong output, long burn times and dependable construction. Delivering up to 1800 lumens through a focused narrow beam, it’s ideal for night dives, low-visibility conditions and general underwater exploration.
The ReefMaster 1800 is an excellent choice for recreational divers looking for a high-output, easy-to-use torch with strong build quality and long runtimes — whether used as a primary night-diving light or a powerful backup.
Light Output & Modes
- White Light: 1800 lumens (High), 1000 lumens (Low)
- Burn Time: up to 4 hours (High), up to 6 hours (Low)
- Modes: White light and emergency SOS
- Beam Angle: 9° narrow beam for excellent penetration
Build & Operation
- Push-button operation with simple power cycling
- Factory-sealed design for enhanced reliability
- Clean, streamlined body with no exposed charging ports during use
Durability & Materials
- Machined from 6061-T6 aircraft-grade aluminium alloy
- Durable glass lens for repeated underwater use
- Black hard-anodised coating for corrosion resistance
- Waterproof to 100 metres / 328 ft (IPX-8 rated)
Battery, Size & Weight
- Battery: 1 × 26650 Li-ion rechargeable battery
- Torch Dimensions: Ø 39 mm × 166 mm
- Weight: 340 g
Battery & Charging Indicators
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Battery level indicator:
- Green: 100% – 75%
- Yellow: 75% – 50%
- Red: 50% – 25%
- Flashing Red: 25% – 0%
- Charging indicator: Red = charging, Green = fully charged
What’s in the Box
- Nautilite ReefMaster 1800 Underwater Torch
- 26650 Lithium-Ion Battery
- USB-C Charging Cable
- Lanyard
- Spare O-ring
- User manual

Whether you’re ready to capture the wonders beneath the waves or need expert care for your underwater camera gear, our team has you covered! From finding the right equipment to keeping your gear in top condition and offering tips for stunning underwater shots, we're just a click away. Reach out via chat or give us a call. Let’s make every dive an unforgettable adventure!
Whether you’re ready to capture the wonders beneath the waves or need expert care for your underwater camera gear, our team has you covered! From finding the right equipment to keeping your gear in top condition and offering tips for stunning underwater shots, we're just a click away. Reach out via chat or give us a call. Let’s make every dive an unforgettable adventure!

FAQ
Whether you’re ready to capture the wonders beneath the waves or need expert care for your underwater camera gear, our team has you covered! From finding the right equipment to keeping your gear in top condition and offering tips for stunning underwater shots, we're just a click away. Reach out via chat or give us a call. Let’s make every dive an unforgettable adventure!
Do you have a physical store?
Do you have a physical store?
We have a store located in the middle of the Cairns city centre. We are close to the pier and many dive companies. Feel welcome to pop in while on holiday or if you are local.
Underwater Camera Specialists
Shop 7, Mainstreet Arcade,
85 Lake Street
Cairns, Queensland 4870
(Entrance via Lake & Grafton St)
What do I need to do if I need a product repaired or serviced?
What do I need to do if I need a product repaired or serviced?
For all repair and service queries please email info@digitaldiver.com.au
How can I pay for my order?
How can I pay for my order?
We accept most credit cards, installment payment methods, or bank deposits as well. You can contact us via email at info@digitaldiver.com.au or through our chat if you need any further assistance. We will be happy to help you.
How long will delivery take?
How long will delivery take?
In stock items are normally delivered in 1-2 days to most areas when sent via Express courier. We will advise delivery times for special order and out of stock items.

















