AOI Underwater Strobe UCS-Q1 Optical (2027 Edition)

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.