1, LED solar energy charging lights can be turned on/off by pressing switch button. 2, 3 highly bright LED condensations,The luminance of LED is 1300-1500 (MCD). 3, Put solar panels 4V (60mA) in the strong sun after turned off,charging for 10 hours, you can use more than 5 hours. 4, nickel chrome rechargeable batteries, 2.4V (600mA). Suggestion: before use or when not in use for a long time, you must charge regularly in order to achieve the best effect when in use.