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How to choose a flashlight for underwater cave dive?

Thread Status: Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.
Mar 29, 2023
How to choose a flashlight for underwater cave dive?

Enough brightness and runtime are necessary.

Orcatorch D630:

1.Canister light, for tec dive

2.Max 4000lumens, max runtime 23h40min
4000lm-5hrs; 1500lm-7h26mins ; 460lm-23h50mins

3. angle beam 7 °
4. 90-180° adjustable cord

How's the actual effect?
Wuming cave diving in Guangxi, China, picture as below

New Zealand divers may order from local agent, by clicking here:
Find Orcatorchc D630 in New Zealand
cave dive pictures


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