Overview:USB interface 220V charging interface The head can rotate 180 degree The neck can move up & down Rated capacity to the highest point at 900m AHSuper durable battery can recycle use to more than 200 times With 15 long life, high brightness & power saving LEDUsage Instruction: Connect the charging interface & the AC220V/50 Hz socket with the specifict power wire when charging Keep charging about 14hours, the most charge time should be less than 16 hours Press the button once, 7 LEDs on, press twice, 15 LEDs on, press third, all close LED lamp is low power consuming, use 7 LEDs keep lighting about 18 hours or use 15 LEDs keep lighting about 5 hours after full charging Specification: Weight Approx:305g Size Approx:19 x 8 x 12