1) appearance: smart and portable plastic case, rust-prooftreatment for surface of metallic support. can be up-righthung, adjustable lamp head to 360 degree. 2) 1200mah/3.7v lithium ion battery inside, dischargingtime can reach max. 8h. 3) high efficiency mono/poly solar panel with portableglass fiber bottom board. 4) over charge and over discharge protection, chargingstatus display. 5) 1w (max. 60 lumen) high lighting energy-saving andenvironmental protection led power