LieyuDive Z500 5.5H Rechargable Diving Ventilator with 39FT Hose

LieyuDive Z500 diving ventilator is designed for recreational underwater activities only. It is not a substitute for certified scuba diving equipment or oxygen tanks.

Important Safety Information:

• Maximum recommended depth: 12 meters (39 feet). Do not exceed this limit.
• Users should be in good health and physically fit for water activities.
• Always use the product with a buddy or under supervision.
• Do not use the product in dangerous water conditions.
• Users assume all risks associated with use.
• LieyuDive is not responsible for injuries, accidents, or damages resulting from improper use, failure to follow safety instructions, or unauthorized modifications.

By purchasing or using this product, you acknowledge and accept these safety limitations. For detailed instructions, please read our Safety Guidelines here.

Battery Maintenance

• If the machine will not be used for an extended period, keep the battery charged between 70%-80% to prolong its lifespan.
  Perform a charge and discharge cycle every six months, charging for about 30 minutes each time.
  
• Avoid storing the device in extreme temperatures and moisture environments. High or low temperatures may damage the battery.
  
• Prevent deep discharge; prolonged low battery levels can lead to battery degradation or failure.
  

Cleaning and Storage

• Clean the surface of the machine and the breathing hose, regulator and other accessories with fresh water after each use. Ensure all parts are thoroughly dried before storage to prevent damage from moisture.
  
• When storing the device for a long time, cover it with a dustproof cover to protect it from dust and dirt.

• Close the charging port before diving or cleaning to prevent from short circuit.
  

Environmental Requirements

• Store the device in a dry, well-ventilated area, away from direct sunlight, high temperatures, or high humidity.
  
• Keep the device away from chemicals or corrosive substances to prevent damage to its surface materials. 

Regular Inspections

• Periodically inspect the breathing hose and device connectors for wear, aging, leakage or loosening. Replace relevant parts as necessary.
  
• If the device shows any irregularities, such as difficulty inhaling, the air pump not functioning properly, or water entering the machine, stop using it immediately and contact us for inspection and repairs. 

Transportation Precautions

• When transporting or carrying the device, ensure it is powered off and stored in a dedicated protective case or bag to prevent damage from impacts or pressure.
  
• For long-distance transportation, adjust the battery charge to 70%-80% beforehand to avoid over-discharging during the journey.
   

Following these maintenance tips will help extend the lifespan of your diving ventilator and maintain its optimal performance.