CARESHINE USA Ship* Black LED Head Light Lamp for Dental Surgical Medical Binocular Loupe Please let the headlight in the full power state at first time. Please do not connect the headlight to the charger for power during working. Please charge the light as soon as possible when you noticed the brightness decreased. Please make sure the power is more than 50% then turn off the light when it will not be used for a long time. Please keep the dental headlight in a cool dry place and keep one charge every two months. Please let the headlight in the full power state at first time. Please do not connect the headlight to the charger for power during working. Please charge the light as soon as possible when you noticed the brightness decreased. Please make sure the power is more than 50% then turn off the light when it will not be used for a long time. Please keep the dental headlight in a cool dry place and keep one charge every two months. Please let the headlight in the full power state at first time. Please do not connect the headlight to the charger for power during working. Please charge the light as soon as possible when you noticed the brightness decreased. Please make sure the power is more than 50% then turn off the light when it will not be used for a long time. Please keep the dental headlight in a cool dry place and keep one charge every two months. Please let the headlight in the full power state at first time. Please do not connect the headlight to the charger for power during working. Please charge the light as soon as possible when you noticed the brightness decreased. Please make sure the power is more than 50% then turn off the light when it will not be used for a long time. Please keep the dental headlight in a cool dry place and keep one charge every two months.