-- Comes with a pressure gauge to show how much air is in the diving tank.
-- Uses aviation aluminum material and meets the manufacturing standards for diving equipment.
-- The 0.5L oxygen cylinder allows the diver to stay 7 meters underwater for 6-10 minutes (depending on individual lung capacity and depth of diving), perfect for beginners.
6.After filling the air, the pressure must be released first.
8.When the gauge pointer is close to the red area, stop diving. It must be inflated before it can be used again.
9.Store the product in a cool, dry place, avoid direct sunlight, car luggage, or extreme temperatures.
10.This product is a high precision product, please do not disassemble and assemble this product at will.Untrained optional disassembly of this product may cause damage to the product.