Dp 744c Led HeadLight- Rechargeable High-Power Head Mounted, Water Proof with Adjustment of 0 – 90 degree angle LED Light. Comfortable on Head. Suitable For Working, Studying, Camping At Night, Or At The Time Of Power Cut. • The Light Is Equipped With Long Life, Free Maintenance, And High Capacity Of 800 MAh • Super Long Life Of 500 Times Charging And Discharging. • Energy-Saving, High-Light, High-Power And Long Life Led. • Both Strong And Weak Brightness Are For Choices. Technology Parametric: • Working Temperature-10`C-40`C • Working Humidity :< 90%. • Rate Charging Voltage 110-240v~50/60hz. • Light Power: 1w. Instructions: •. It Needs About 10 - 12 Hours for Charging. •, The Light Can Work for About 4 - 6 Hours; • When Led Brightness Turns Darker Stop Using to Protect Battery, If Not in Use Please Charge the Light For 10 Hours in Every 3 Months.