S3 Deep Sea Diving Flashlight - High-Intensity Underwater Photography Light, Waterproof and Durable

OverviewSwitch: Mid-body button switch with battery level indicator: Green Light: Voltage above 3.4V Yellow Light: Voltage between 3.2V and 3.4V Red Light: Voltage between 3.0V and 3.2V Red Light Flashing: Voltage between 2.8V and 3.0V Off: Voltage below 2.8V 1. Instructions for use 1. Rinse the flashlight with fresh water before diving to ensure that the flashlight looks neat and clean. 2. Please do not disassemble the flashlight by yourself. If you have any questions, 3. Do not use batteries other than those specified for power supply to avoid short circuits. 4. Since the diving flashlight has waterproof protection, please tighten the flashlight tail cap. 2. Precautions 1. Do not shine light directly into your eyes to avoid damage to your eyes; 2. Do not use it with overvoltage, the voltage should not exceed 4.2V, and do not put the battery upside down, otherwise the circuit board will be burned out; 3. Please check the positive and negative poles of the charger when charging, and do not overcharge or discharge the battery to avoid damaging the battery life (charging time is generally 5-8 hours) 4. Avoid placing it in the sun or high temperature environment. After stopping use, please take out the battery and fully charge it before storing it in a cool and dry place; 3. Charging instructions When the battery power is low, it should be replenished in time to avoid affecting the battery life. The battery should also be charged during long-term storage.