The HT-5000 is powered by the rechargeable 18650, 3.7 V 2200 mAh Li-ion battery pack and the headlamp emits a maximum output of 554 lumens. The single switch controls three brightness levels of the spotlight, one floodlight, and SOS. Directly rechargeable by the easy-to-use USB magnetic charging cable and is IP64 rated rain/splash proof, with a 60° adjustable angle, and extremely lightweight, the HT-5000 headlamp is the perfect fit for all anglers. You can pay with Paypal or Credit Card. Small items are sent with Royal Mail and larger parcels with my Courier. Courier postage costs are mainland UK only (Exc Highlands & Islands), for all other areas please email or phone me for a quote before committing to buy. If you do want any other information please get in touch. Thanks for looking and