HOW TO USE 1.Push the OFF switch to ON.Left and right light mode (this light has a light sensor, it will light up at dusk) 2.Charge it more than 8h by solar energy SPECIFICATIONS Solar panel: Polysilicon 25% efficiency NI-MH AA Battery: 600mah/1.2v LED: 2 LEDS Lumen: 7lm Light Color: Warm White /color Material: Plastic Charging time: 8 hours Working time: Light up 10h in summer and 5h in winter after fully charge.