AOI UIS-P1 — Ultra InTeLi Strobe

The AOI UIS-P1 is a high-performance underwater strobe engineered for serious photographers who demand reliable power, intelligent exposure control, and rugged durability at depth.

Key Features

• 150 Ws flash output with a wide 150° beam angle delivers even, far-reaching light for everything from macro subjects to wide reef scenes.
• InTeLi™ Mode — AOI's proprietary intelligent TTL system that works with OM System and Sony cameras for consistently accurate exposures, including an i-Macro function optimized for super-close-up work.
• 3,000-lumen COB continuous light (4,500 K) with adjustable brightness (100 % / 50 % / 25 %) — ideal for video or focus-assist.
• 5,900 K color temperature approximates natural daylight for vibrant, true-to-life colors.
• 1.8-second recycle time at full power; approximately 540 full-power flashes per charge.
• Depth-rated to 100 m (330 ft) — built from marine-grade aluminum alloy and polycarbonate with fiberglass reinforcement.
• Powered by two 21700 Li-ion batteries (not included); a sealed battery chamber protects electronics against flooding.
• Lightweight underwater: approximately 230 g when submerged.

What's in the Box

Standard diffuser, diffuser lanyard, ball mount, Allen key, spare battery-cap O-rings (×2), control-knob extension, O-ring remover, silicone grease, and battery storage case.

Specifications at a Glance

Whether you're shooting macro critters or expansive reef panoramas, the UIS-P1 combines intelligent automation with manual control options, giving you the flexibility to capture stunning underwater images dive after dive.