Bulb:10W COB LED BULB Battery:2X18650 li-ion battery, 3.7V 4400Mah Preset mode:Low~High~OFF Max output:1100Lumen(high mode),350Lumen(low mode) Run time:3Hour(high mode),6Hour(low mode) Charging time:6hour AC adapter:5V 1A Size:200x185x45mm N.W.:742g Function: 1. Swivel stand base can rotate 180° 2. Durable aluminum die casting housing with rubber coated supply a comfy grip 3.Power bank function can charge for mobile phone for emergency 4.Power display function: Intelligently detect the charging status and the remaining power 5.Packing include USB cable and AC adapter