The Mares XR Backup light is compact and perfect to keep with you on any extended range dives as a precaution against failure of your main light source. 

USB rechargeable and with a grip that is easily able to be fixed to a carabiner and with 850 lumens and a 12 degree beam, this powerful torch will allow you to safely end your dive in the event of a main light failure. It is tough, made with a delrin body and aluminium head and can be used at up to 100m depth.