Bisun - making a range of LED lighting systems for cavers.
Complete twin-beam caving lights and drop-in upgrades.
Bright spot beams for Duos. Dive and Photo lighting.

Bisun is a small British enterprise formed in 2004, designing and making LED lighting products for cavers, and specialising in affordable and powerful twin-beam LED inserts.

Enquiries about possible custom products or variations on existing products are welcomed.

If there is anything you would like to know, please email me at sales email address