• 320-420mm working distance. 60mm field of view. 
• Very small volume and weight. longevity and the more comfortable carry.
• Stainless steel material, strong motivarion.
• High temperature resistant disinfection.
• Low noise and wear resistance.
• High quality optical lenses, strong light transmission, clear image.
• Can be adjusted up and down freely.
• Free to adjust the field of view left and right, free dual-field focus adjustment. 
• High brightness LED light source.

• When use the battery power supply, you need to charge in time if brightness of the light significantly weakened.
• This product can only work in DC condition. It can not work while charging.
• Turn off the power when you do not use or charging.
• You can not use liquid cleaners to clean the product.
• You need to recharge in time when the battery power is not full, or the battery will be scrapped.

Attention: This Head Light is only suitable for our loupes product. All loupes are optional. It doesn’t apply to ordinary glasses

• First time use or long time not use, please charge for more than 6 hours.
• Please use the distribution adapter to avoid any damage of spare parts.
• Please use wet and clean soft cloth to clean this device, then use dry colth to wipe dry the water.
• Use alcohol clean optic glass and adjust screw parts.
• Not bathe or high temperature high pressure this device
• Attention for the LED light, avoid aiming at eyes directly.
• Do not look directly into the sun when you wearing the loupe.
• Keep the device dry, do not use it at any wet place.
• Not attach or wipe the optic glass with anything hard or dirty.
• Waste battery please treatment according to the relevant provisions, please do not throw away.
• Put the device into the box after using.