Specifications: Material: ABS & PC Solar panel: 5V/1-3W Light wattage: 8-10W(each lamp) Light source: 20pcs LEDs(each lamp) Light color: 3000k warm white; 6000k white light(optional) Lighting heads: 1-head; 2-head; 3-head; 4-head(optional) Luminous flux: 130lm(each lamp) Lighting angle: 120 Control mode: manual & lighting control Battery: 1-head: 3V/1500mAh 18650 2-head: 3V/3300mAh 32650 3 & 4 heads: 3V/5500mAh 32650 Charge time: 3-11h Working time: 4-6h Protect rate: IP65 Lifespan: 50,000h Panel size: 196 * 116mm / 7.72 * 4.57in Bracket size: 194 * 50mm / 7.64 * 1.97in Lampshade size: 150 * 55mm / 5.91 * 2.17in Connecting cable (each): 3 meters / 9.84ft Package weight: 678g/1.5lb(1-head); 806g/1.8lb(2-head); 958g/2.1lb(3-head); 1126g/2.5lb(4-head) Package size: 1-head: 210 * 155 * 100mm / 8.27 * 6.1 * 3.94in 2-head: 280 * 155 * 85mm / 11.02 * 6.1 * 3.35in 3-head: 315 * 155 * 90mm / 12.4 * 6.1 * 3.54in 4-head: 400 * 155 * 95mm / 15.75 * 6.1 * 3.74in Notes: 1. Please make sure the light is fully charge for first use. 2. Mount the panel under direct sunlight as possible. 3. Keep the switch on "ON" position unless you do not use it. Packing List: 1 * Solar Light