Input rated voltage: DC 5V Power consumption: Cold light 3W 3W warm light Cold and warm light 4.5W, battery capacity: 3.7V*1200mAh*2 cells, LED type: 2835/0.2w/40PCS, LED color temperature: 2555-2845K, 6000-6500K, color rendering index: Ra > 80, charging time: 3.5-4.5H, lighting duration: 3-4 hours for white light. Warm light for 3-4 hours; Dual-light luminous flux (luminance) for 2-3 hours: white light ≥150LM; Warm light ≥150LM; Dual light ≥200LM dimming method: Touch dimming