
AOI UCS-Q1 Underwater Ultra Compact Strobe
The AOI UCS-Q1 Strobe is a lightweight, high-performance underwater strobe designed for divers and underwater photographers seeking compact power and reliability. The updated 2027 Edition offers an Auto (sTTL) Exposure Mode when trigged by a camera's flash. The sTTL Exposure mode is compatible with most cameras.
Crafted with a durable polycarbonate and glass fibre body, this strobe is waterproof up to 60 metres, making it an ideal companion for a wide range of underwater adventures.
Important Note: Batteries & Charger are not included with the strobe.
Product Specifications
- Main Body Material: Polycarbonate + Glass Fibre
- Waterproof Level: 60 metres
- Dimensions: 12.5cm (L) x 7.7cm (W) x 13.1cm (H)
- Weight: Approx. 530g on land (batteries included), Approx. 80g underwater (batteries included)
- Battery Requirements: 2 × 18650 Li-Ion rechargeable batteries (minimum output current: 5A, minimum battery length: 69mm) (Batteries not included)
- Strobe Mounting: 1” Ball Mount Only (non-replaceable)
Key Features
- Shooting Modes: Auto (sTTL) and Manual
- Guide Number: 22
- Colour Temperature: 5600K
- Beam Angles: Horizontal 85°, Vertical 85° (with diffuser)
- Flash Recharge Time: 0.85 seconds at full power
- Number of Flashes: Approximately 1,800 full-power flashes (using 3500mAh Li-Ion batteries)
- Flash Synchronisation: Pre-Flash Auto Learning after 1st Photo
- LED Light Output: 700 lumens
- LED Beam Angle: 45°
- LED Burn Time: Up to 160 minutes at maximum brightness (with 3500mAh Li-Ion batteries)
In The Box
- AOI UCS-Q1 2027 Edition Strobe
- Strobe Diffuser (SD-01) - Installed
- Control Knob Extension (CKE-01)
- Spare Main Seal O-Rings (SOR-01)
- O-Ring Remover (ORR-02)
- Silicone Grease 1.5g
- Battery Storage Case (Batteries not included)
Important Notes
- This strobe requires 2 × 18650 rechargeable lithium batteries (sold separately) to function.
- Ensure you use the correct batteries with a length of at least 68.5mm for proper fitting and function.
- For accurate exposure in Auto (sTTL) Mode, a multi-core fibre-optic cable is recommended.

HAVE A QUESTION? WE'RE HERE TO HELP!
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!
HAVE A QUESTION? WE'RE HERE TO HELP!
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.

























