Lighting type Multi-Chip-LED Single-Chip-LED   Burn time* up to 11h up to 24h   Effectiveness [LUX] -- --   Light output[LUMEN] 900 lumens 320 lumens   Battery IION / IION XL IION / IION XL   Water resistant   Watertight   Tool-free battery change external external   Tool-free installation   Horizontally   adjustable bracket   Unifit 22–32 mm * depending on the batteries and mode