Pressure Tested BIGBLUE AL1200NP II Underwater LED Light

Purchased used at auction.
After purchase, I used it for about 10 dives, with a maximum depth of 30m, and experienced no noticeable issues.

Auction description below:

BIG BLUE AL-1200NPⅡ Rechargeable Underwater LED Light

The BIGBLUE AL1200NP is a 100m waterproof light suitable for diving.
It features a maximum of 1200 lumens (4-level brightness adjustment) using an 18650 type lithium-ion battery.

The LED used is CREE XM-L2, known for its high efficiency and powerful light output.

It boasts high waterproof performance, with a corrosion-resistant anodized finish on the body surface and a double O-ring structure at each joint.
It has a reliable durable structure with a pressure resistance depth of 100m. The rechargeable battery used is an 18650 type lithium-ion rechargeable battery.
The battery can be removed from the body, allowing it to be carried on airplanes. For charging, remove the battery from the light body and insert it into the included charger.

● Specifications ●
LED: CREE XM-L2 x 1
Brightness: Max 1200 lumens
Color Temperature: 6500K
Switch Structure: 4-level brightness adjustment / SOS flashing
　　　　　　　　　　Push-button switch
Compatible Battery: 18650 type lithium-ion battery x 1
Actual Burn Time: Level IV approx. 2 hours / Level III approx. 5 hours
　　　　　　　　　　Level II approx. 10 hours / Level I approx. 20 hours
Battery Level Indicator: 3-color LED indicator
　　　　　　　　　　Blue → Green → Red → Red flashing
Pressure Resistance Depth: 100m
Size: 145.1 mm × 35 mm
Weight: Approx. 178 g (including battery)
Body Material: Aero-grade aluminum alloy + corrosion-resistant anodized finish

☆ Set Contents:
Light body, lithium battery, battery charger,

◎ Details
- Used item, Rank C-D -
There are overall scuffs and scratches, but it is still functional.
Charging and lighting confirmed by our company.
Furthermore, it was submerged under 40m of pressure for 10 minutes while lit, and after drying, it was confirmed to power on and charge without issues.
We cannot determine the degree of battery wear; the actual burn time may be shorter than the specified times.
Please bid with an understanding of the above conditions.
* O-ring maintenance has not been performed.