Adopted sensitive light control + PIR motion s-ensor, it auto-on at night for s-afe walk and auto-off at daybreak. What are you waiting for? Just come and buy. Specifications: Input voltage: 3.7V Consumption: 1.6W Solar panel: 1 * 0.45W 5V PET polysilicon Bulb type: LEDs Light source: solar light LEDs quantity: 170pcs Light color: Warm white(3000K)/ Cold White(10,000K)(Optional） Lumen flux: 302LM CRI: >80Ra P-ower source: 1 * 3.7V 1500mAh rechargeable cell S-ensor distance: 3-6m S-ensor angle: 120 Chargeing hours: 6hrs Working hours: 12hrs Lifespan of LEDs: >30,000hrs Protecting grade: IP65 Material: ABS Item color: black Lamp size: 118 * 95 * 49mm / 4.6 * 3.7 * 1.9inches(Length * Width * Height) Item weight: 156g / 5.5ounces Package size: 120 * 99 * 51mm / 4.7 * 3.9 * 2inches(Length * Width * Height) Package weight: 191g / 6.7ounces Packing List: 1 * Light 1 Bag * Accessories 1 * Instruction