ANO H7500 Head Canister Light is designed with multiple uses (Goodman Handle & Head Belt) for tech divers or outdoor use with requirements of long burning time. The canister is allowed the battery size for ICR18650 or ICR26650 and the overall weight is only 700g in air with batteries installed. The switch on light head is designed with low power indicator (Green/Yellow/Red) to remind you the power capacity of your Li-On batteries and the canister has a secondary switch to double ensure the safety in your luggage when you travel. The canister provides protection for polarity reversing and over-discharging. ANO H7500 Head Canister Dive Light generates 2750 lumens (constant output) output with a single LED chip for 2 hours burning time at Hi mode and 8 hours at Low mode to meet a day use of tech divers. This model is in promotion now. ICR18650 batteries + intellicharger are coming free.